El calentamiento global
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Glaciers are melting, sea levels are rising, and forests and wildlife are struggling to adapt to rising temperatures caused by human-induced climate change. The rapid increase in greenhouse gases like carbon dioxide is problematic because the climate is changing so quickly that some species cannot adapt fast enough. Historically, the Earth's climate has oscillated between temperatures like today and much colder periods where large ice sheets covered North America and Europe. According to NASA, most global warming has occurred in the last 35 years, coinciding with increased greenhouse gas emissions by humans.
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Paige Isaiah 4
Global warming is caused by the greenhouse effect, where gases like carbon dioxide and methane trap heat in the atmosphere. Climate change refers to long-term shifts in weather patterns due to global warming. Some consequences of climate change include stronger hurricanes, rising sea levels, droughts and floods. While humans are not directly impacted much, effects on animals' habitats and the global economy will be significant if changes are not made to reduce greenhouse gas emissions and increase carbon storage through forestation.
Global warming
The Earth's climate has changed naturally in the past due to shifts in forests and ice sheets, but recent human activity like burning fossil fuels has increased greenhouse gases in the atmosphere, trapping heat and causing global warming according to scientists. Global warming may lead to flooding from melting ice caps, more extreme weather, and expanding deserts.
Climate change and you
it is about the weather and climate i hope that it is a nice one and plz comment it, like it and downloa it because it is helpful to you all
Is global warming a myth
The document provides evidence that global warming is occurring due to human activity. It notes that carbon dioxide emissions have increased, most of the world has warmed, Arctic and Antarctic ice caps are melting faster than previously thought, global sea levels have risen 10-25 cm in the last century, and the greenhouse effect is trapping more heat due to increased greenhouse gases like carbon dioxide and methane. While some natural climate variability occurs, mainstream scientists believe human emissions are enhancing the greenhouse effect and warning the planet, threatening life if emissions are not reduced. Burning fossil fuels also creates pollutants that cause "global dimming" by making clouds more reflective, offsetting warming slightly.
Global warming
Global warming is causing widespread changes to the Earth's climate that are occurring faster than many living things can adapt to. Scientists have determined that the primary cause is human emissions of greenhouse gases such as carbon dioxide and methane from the burning of fossil fuels. If greenhouse gas emissions continue to increase, more severe effects are expected such as rising sea levels that could flood coastal areas, more extreme weather events, and disruptions to ecosystems. The documents provide background on the science of global warming and the evidence that human activity is the dominant cause of currently rising global temperatures.
Lesson1 climate and change GCSE Edexcel B Geography
The document discusses several natural causes of past climate change:
1) Solar activity, with periods of lower sunspot activity corresponding to "Little Ice Ages" and higher activity to warm periods like the Medieval Warm Period. However, solar activity does not correlate with warming since 1975.
2) Orbital cycles known as Milankovitch cycles, which cause ice ages and warm interglacial periods over 100,000 year cycles.
3) Large volcanic eruptions, which eject aerosols that reflect sunlight and cause short-term global cooling lasting several years.
4) Ocean circulation patterns, with changes potentially causing Europe to be 6-8°C cooler during glacial periods due to reductions in the
Global warming
Global warming is the increase in Earth's average temperature due to rising levels of greenhouse gases like carbon dioxide, methane, and chlorofluorocarbons in the atmosphere. These gases trap heat from the sun and prevent it from escaping, warming the planet in a process called the greenhouse effect. Human activities that release greenhouse gases, such as burning fossil fuels and cutting down forests, are the primary cause of increased global temperatures over the past century according to the document. The effects of global warming include changes in weather patterns, rising sea levels, and disruption of natural ecosystems. To reduce global warming, the document suggests adopting sustainable habits that limit greenhouse gas emissions and resource consumption.
Ice age (1)
The Ice Age was a major glaciation that occurred 100,000 years ago where global temperatures decreased, causing ice caps and glaciers to expand and transform ecosystems. During this time, many large animal species came to life but then went extinct as they fed early human ancestors. 10,000 years ago, changes to the Earth's orbit and an increase in greenhouse gases caused by the warming sun ended the Ice Age and opened a new era for human development.
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Global warming is caused by the greenhouse effect, where gases like carbon dioxide and methane trap heat in the atmosphere. Climate change refers to long-term shifts in weather patterns due to global warming. Some consequences of climate change include stronger hurricanes, rising sea levels, droughts and floods. While humans are not directly impacted much, effects on animals' habitats and the global economy will be significant if changes are not made to reduce greenhouse gas emissions and increase carbon storage through forestation.
Global warming
The Earth's climate has changed naturally in the past due to shifts in forests and ice sheets, but recent human activity like burning fossil fuels has increased greenhouse gases in the atmosphere, trapping heat and causing global warming according to scientists. Global warming may lead to flooding from melting ice caps, more extreme weather, and expanding deserts.
Climate change and you
it is about the weather and climate i hope that it is a nice one and plz comment it, like it and downloa it because it is helpful to you all
Is global warming a myth
The document provides evidence that global warming is occurring due to human activity. It notes that carbon dioxide emissions have increased, most of the world has warmed, Arctic and Antarctic ice caps are melting faster than previously thought, global sea levels have risen 10-25 cm in the last century, and the greenhouse effect is trapping more heat due to increased greenhouse gases like carbon dioxide and methane. While some natural climate variability occurs, mainstream scientists believe human emissions are enhancing the greenhouse effect and warning the planet, threatening life if emissions are not reduced. Burning fossil fuels also creates pollutants that cause "global dimming" by making clouds more reflective, offsetting warming slightly.
Global warming
Global warming is causing widespread changes to the Earth's climate that are occurring faster than many living things can adapt to. Scientists have determined that the primary cause is human emissions of greenhouse gases such as carbon dioxide and methane from the burning of fossil fuels. If greenhouse gas emissions continue to increase, more severe effects are expected such as rising sea levels that could flood coastal areas, more extreme weather events, and disruptions to ecosystems. The documents provide background on the science of global warming and the evidence that human activity is the dominant cause of currently rising global temperatures.
Lesson1 climate and change GCSE Edexcel B Geography
The document discusses several natural causes of past climate change:
1) Solar activity, with periods of lower sunspot activity corresponding to "Little Ice Ages" and higher activity to warm periods like the Medieval Warm Period. However, solar activity does not correlate with warming since 1975.
2) Orbital cycles known as Milankovitch cycles, which cause ice ages and warm interglacial periods over 100,000 year cycles.
3) Large volcanic eruptions, which eject aerosols that reflect sunlight and cause short-term global cooling lasting several years.
4) Ocean circulation patterns, with changes potentially causing Europe to be 6-8°C cooler during glacial periods due to reductions in the
Global warming
Global warming is the increase in Earth's average temperature due to rising levels of greenhouse gases like carbon dioxide, methane, and chlorofluorocarbons in the atmosphere. These gases trap heat from the sun and prevent it from escaping, warming the planet in a process called the greenhouse effect. Human activities that release greenhouse gases, such as burning fossil fuels and cutting down forests, are the primary cause of increased global temperatures over the past century according to the document. The effects of global warming include changes in weather patterns, rising sea levels, and disruption of natural ecosystems. To reduce global warming, the document suggests adopting sustainable habits that limit greenhouse gas emissions and resource consumption.
Ice age (1)
The Ice Age was a major glaciation that occurred 100,000 years ago where global temperatures decreased, causing ice caps and glaciers to expand and transform ecosystems. During this time, many large animal species came to life but then went extinct as they fed early human ancestors. 10,000 years ago, changes to the Earth's orbit and an increase in greenhouse gases caused by the warming sun ended the Ice Age and opened a new era for human development.
Presentation1 ict climate change
Climate change is one of the biggest crises facing humanity and is defined as a shift in worldwide weather patterns associated with rising global temperatures, predominantly caused by burning fossil fuels which release heat-trapping gases. Some of the evidence of climate change includes rising sea levels and global temperatures, warming oceans, shrinking ice sheets, declining Arctic sea ice, retreating glaciers, more extreme weather events, and increased ocean acidification. Many indicators, such as rising sea levels, temperatures, and ocean warming, show the effects of climate change are already occurring.
Global warming - Science Vs Myth
Global warming is caused by human activities that have disrupted the natural greenhouse gas effect and caused global temperatures to rise beyond critical levels. The document outlines key events in documenting global warming such as Charles Keeling's measurements of CO2 levels in 1958 and the effect of the 1991 Pinatubo eruption in reducing temperatures temporarily. It describes the greenhouse gases that cause warming and their effects. The document calls for reducing greenhouse gas emissions through various individual and societal changes to stop global warming.
Global warming bhupinder singh
Global warming is the increase in the average temperature of the Earth’s near-surface air and oceans since the mid-twentieth century, and its projected continuation. Factors that contribute to global warming, nevertheless caused mostly by humans, include deforestation, logging, the use of CFCs and HCFCs, and the release of methane gases from cow’s gaseous emissions from their anuses, which is a natural factor that contributes to global warming.
Rising Oceans
1) Global temperatures have risen over the past few decades and are projected to continue increasing due to rising carbon dioxide levels from fossil fuel usage.
2) Warming effects will be greater at higher latitudes and polar regions, and land areas will warm more rapidly than oceans.
3) Melting glaciers are contributing significantly to rising sea levels, which are estimated to be rising at 1.5 to 2 millimeters per year.
Marianela_ClCh_Evidence
Climate change is happening now as evidenced by rising global temperatures, shifting rainfall patterns, and melting glaciers and snow. Extreme weather events are expected to become more frequent and intense. Sea levels have risen 17 cm in the last century and are rising nearly twice as fast in the last decade. Global surface temperatures have warmed since 1880 according to temperature reconstructions. The Greenland and Antarctic ice sheets and Arctic sea ice have declined rapidly in recent decades and glaciers are retreating worldwide. Climate change is transforming life on Earth and threatens to alter the planet's ability to support life if actions are not taken.
Climate change (1)
Climate change refers to significant and long-lasting changes in weather patterns due to both natural causes and human activities. Natural causes include variations in solar energy and volcanic eruptions, while human activities like burning fossil fuels and deforestation emit greenhouse gases that trap heat and cause global warming. As the planet warms, consequences like rising sea levels and changes to agriculture threaten coastal cities and international food systems. Collective action is needed to address climate change and protect the planet.
Climate change presentation.
Climate change is a change in global weather patterns caused largely by increased carbon dioxide from fossil fuel use. It is affecting the entire planet, causing temperatures to rise about 1.5 degrees Fahrenheit in the past century. This warming causes issues like droughts, species extinction from heat, and rising sea levels that threaten low-lying countries like the Maldives, which could be completely submerged since most of its land is only 5 feet above sea level. Potential solutions include reducing the use of fossil fuels and carbon dioxide emissions as well as choosing alternatives to driving like walking or biking.
Climate Change 101
Climate change poses significant risks to businesses. Increasing greenhouse gases from human activity are causing global temperatures to rise faster than ecosystems and societies can adapt to. The majority of climate scientists agree that climate change trends are extremely likely due to human activities. If greenhouse gas emissions continue at their current rate, the economic costs of climate change are projected to increase substantially by 2050 due to risks like rising sea levels, more frequent extreme weather events, water shortages, and decreased agricultural production. However, setting ambitious greenhouse gas reduction targets aligned with scientific recommendations could help save businesses up to $190 billion annually by 2020 through energy efficiency and renewable energy.
Natural causes of climate change
The Earth’s climate is dynamic and characterised by trends, aberrations and quasi-periodic oscillations varying over a broad range of time-scales [1], which are governed by external (extraterrestrial systems) and/or internal(ocean, atmosphere and land system). Trends are largely controlled by plate tectonics, and thus to change gradually on million year time scale. Aberrations occur when the certain thresholds are passed and are manifested in the geological record as the unusual rapid (less than a few thousands of years) or extreme change in climate. The quasi-periodic oscillations are mostly astronomically paced; they are driven by astronomical perturbations that affect the earth’s orbit around the sun and the orientation of earth’s rotation axis with respect to its orbital plane. These perturbations are described by the three main astronomical cycles: eccentricity, precession and obliquity, which together determine the spatial and seasonal pattern of insolation received by the earth [2], eventually resulting in climatic oscillations of ten to hundreds of thousands of year [3].Sun being the main source of energy for the earth system controls the climate of it. Variation in solar activity and cosmic ray intensity has direct influence over climatic features such as cloudiness, temperature and rainfall [4]. Volcanic eruptions also force all elements of the climatic systems up to a varying degree but producing long term climatic signals in the ocean. The cumulative volcanic cooling effect at present offsets about one third of anthropogenic warming [5].Other than these causes paleoclimatologists also relates the past climate changes with movement of solar system[6], interplanetary dusts and influence of asteroids[7].However the recent variability in climate what earth is experiencing is unlikely due to any of the individual above factors rather it is due to the compound effect of complex interactions of all the natural as well as anthropogenic forcings.
References:
1. J. C. Zachos, M. Pagani, L. Sloan, E. Thomas, K. Billups, Science 292 (2001) 686-693.
2. G. Kukla, Nature (London) 253, 600 (1975).
3. J. D. Hays, J. Imbrie, N. J. Shackleton, Science 194 (1876) 1121-1132.
4. N. Marsh, H. Swensmark, Space Sci. Rev. 94 (2000) 215-230.
5. T. L. Delworth, V. Ramaswamy, G. L. Stenchikov, Geophys. Res. Lett. 32 (2005) L24709.
6. K. Fuhrer, E. W. Wolf, S. J. Johnsen, J. Geophys. Res. 104(D24) (1999) 31043-31052
7. P. Hut, W. Alvarez, W. P. Elder, T. Hansen, E. G. Kauffman, G. Keller, E. M. Shoemaker & P. R. Weissman, Nature Vol. 329, 10 September, 1987
Presentation
The greenhouse effect occurs when gases like carbon dioxide and methane trap heat in the atmosphere, warming the planet. According to scientific consensus, human economic activity is enhancing the greenhouse effect and causing climate change by emitting more of these gases. The impacts of climate change include higher average global temperatures, more extreme weather like droughts and hurricanes, rising sea levels from melting ice caps, and disruptions to ecosystems.
DanielaD_climch-evidence
Global temperatures have risen since 1880 due to increased greenhouse gases, with the top 10 warmest years occurring in the last 12 years. The oceans have warmed by 0.3 degrees Fahrenheit in the top 700 meters since 1969. Both the Greenland and Antarctic ice sheets have been losing over 150 cubic km of ice per year since 2002, and glaciers around the world are retreating.
Mhc352
The document discusses the case for human-made climate change, including terminology, causes such as natural factors and human activities like burning fossil fuels, increasing greenhouse gases, the greenhouse effect, land use changes, and effects on physical systems, ecosystems, polar regions, precipitation, sea level, hurricanes, human health, agriculture, water resources and energy.
Causes Of Climate Change
The document discusses several potential causes of climate change, including both natural and human factors that can lead to cooling or warming. It describes how the Milankovitch cycles have coincided with ice ages in the past. El Nino and La Nina events involve changes in ocean circulation patterns in the Pacific that impact global weather. The albedo effect describes how ice and snow reflect solar radiation and cool the climate. Deforestation reduces carbon absorption and lowers albedo, while fossil fuel burning increases the greenhouse effect. Volcanic eruptions can cool the climate temporarily by reflecting sunlight.
Long term & short term effects of climate
This document discusses both long-term and short-term causes of climate change. Long-term causes occurring over millions of years include continental drift, changes in Earth's orbit and tilt, which affect ocean currents and temperatures. Short-term causes operating over decades to thousands of years include volcanic eruptions, which eject particles that block sunlight, and shifts in ocean and air currents driven by wind and temperature changes. Together, these natural factors have triggered shifts between ice ages and warmer periods throughout Earth's history.
3 global warming is not real bbk
This document argues that global warming is caused by natural factors and not human activity. It provides several examples of natural causes, including continental drift, variations in the Earth's orbit and tilt, solar activity, volcanic eruptions, and increased levels of greenhouse gases like carbon dioxide, methane and water vapor from natural sources over long time periods. The document aims to show that global warming is part of regular warming and cooling cycles and not primarily caused by human carbon dioxide emissions.
L spina climch-evidence
Climate change refers to significant and lasting changes in weather patterns over long periods of time. It is caused by both natural factors and human activities like burning fossil fuels which release greenhouse gases. Evidence of climate change includes rising global temperatures, shrinking glaciers, earlier flowering times, more extreme weather events, rising sea levels, and warming oceans. If emissions continue, the IPCC predicts increases in global temperatures between 1-3 degrees Celsius which will have both beneficial and harmful effects worldwide.
Global climate change facts
1) The document discusses various causes of global climate change including changes in Earth's orbit and solar radiation, albedo effects, and greenhouse gases like carbon dioxide and methane.
2) Evidence of past climate changes is seen in temperature and carbon dioxide variations from ice cores, glacial activity, sea levels, and vegetation changes.
3) The author argues that climate change is a natural phenomenon and that the role of human-caused carbon dioxide emissions in current warming is limited and uncertain.
Man and-climate-1
This powerpoint presentation is created by Gyanbikash.com for the students of class nine to ten from their English first part NCTB textbook for multimedia class.
Global warming
Global warming is caused by increased carbon dioxide and other greenhouse gases trapping heat in the atmosphere. This is melting polar ice caps and glaciers, causing sea levels to rise and threaten coastal areas. As temperatures increase, animal populations are declining and coral reefs are bleaching. Over the past 150 years, temperatures have risen more than in previous centuries due to increased fossil fuel usage and carbon dioxide emissions. To slow global warming, carbon dioxide production must be reduced by conserving fossil fuel usage.
Global warming
The document summarizes the scientific evidence and consensus on climate change. It explains that human emissions of greenhouse gases are trapping heat and causing the planet to warm at a rate not seen in centuries. This is melting ice, raising sea levels, and shifting weather patterns in ways that threaten ecosystems and human communities. While uncertainties remain, most climate scientists agree that significant impacts are already occurring and will increase substantially if emissions are not reduced.
Global warming test
Global warming is caused by carbon dioxide and other greenhouse gases trapping heat in the atmosphere. This is warming the earth and melting ice caps and glaciers, which causes sea levels to rise and threatens coastal areas. As temperatures increase, climate changes are altering ecosystems and threatening plants and animals through shifting habitats and increased droughts and fires. The rapid warming seen in recent decades is unprecedented and is primarily due to human emissions of carbon dioxide from fossil fuel usage. Unabated, global warming will continue to have damaging environmental and economic consequences.
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Presentation1 ict climate change
Climate change is one of the biggest crises facing humanity and is defined as a shift in worldwide weather patterns associated with rising global temperatures, predominantly caused by burning fossil fuels which release heat-trapping gases. Some of the evidence of climate change includes rising sea levels and global temperatures, warming oceans, shrinking ice sheets, declining Arctic sea ice, retreating glaciers, more extreme weather events, and increased ocean acidification. Many indicators, such as rising sea levels, temperatures, and ocean warming, show the effects of climate change are already occurring.
Global warming - Science Vs Myth
Global warming is caused by human activities that have disrupted the natural greenhouse gas effect and caused global temperatures to rise beyond critical levels. The document outlines key events in documenting global warming such as Charles Keeling's measurements of CO2 levels in 1958 and the effect of the 1991 Pinatubo eruption in reducing temperatures temporarily. It describes the greenhouse gases that cause warming and their effects. The document calls for reducing greenhouse gas emissions through various individual and societal changes to stop global warming.
Global warming bhupinder singh
Global warming is the increase in the average temperature of the Earth’s near-surface air and oceans since the mid-twentieth century, and its projected continuation. Factors that contribute to global warming, nevertheless caused mostly by humans, include deforestation, logging, the use of CFCs and HCFCs, and the release of methane gases from cow’s gaseous emissions from their anuses, which is a natural factor that contributes to global warming.
Rising Oceans
1) Global temperatures have risen over the past few decades and are projected to continue increasing due to rising carbon dioxide levels from fossil fuel usage.
2) Warming effects will be greater at higher latitudes and polar regions, and land areas will warm more rapidly than oceans.
3) Melting glaciers are contributing significantly to rising sea levels, which are estimated to be rising at 1.5 to 2 millimeters per year.
Marianela_ClCh_Evidence
Climate change is happening now as evidenced by rising global temperatures, shifting rainfall patterns, and melting glaciers and snow. Extreme weather events are expected to become more frequent and intense. Sea levels have risen 17 cm in the last century and are rising nearly twice as fast in the last decade. Global surface temperatures have warmed since 1880 according to temperature reconstructions. The Greenland and Antarctic ice sheets and Arctic sea ice have declined rapidly in recent decades and glaciers are retreating worldwide. Climate change is transforming life on Earth and threatens to alter the planet's ability to support life if actions are not taken.
Climate change (1)
Climate change refers to significant and long-lasting changes in weather patterns due to both natural causes and human activities. Natural causes include variations in solar energy and volcanic eruptions, while human activities like burning fossil fuels and deforestation emit greenhouse gases that trap heat and cause global warming. As the planet warms, consequences like rising sea levels and changes to agriculture threaten coastal cities and international food systems. Collective action is needed to address climate change and protect the planet.
Climate change presentation.
Climate change is a change in global weather patterns caused largely by increased carbon dioxide from fossil fuel use. It is affecting the entire planet, causing temperatures to rise about 1.5 degrees Fahrenheit in the past century. This warming causes issues like droughts, species extinction from heat, and rising sea levels that threaten low-lying countries like the Maldives, which could be completely submerged since most of its land is only 5 feet above sea level. Potential solutions include reducing the use of fossil fuels and carbon dioxide emissions as well as choosing alternatives to driving like walking or biking.
Climate Change 101
Climate change poses significant risks to businesses. Increasing greenhouse gases from human activity are causing global temperatures to rise faster than ecosystems and societies can adapt to. The majority of climate scientists agree that climate change trends are extremely likely due to human activities. If greenhouse gas emissions continue at their current rate, the economic costs of climate change are projected to increase substantially by 2050 due to risks like rising sea levels, more frequent extreme weather events, water shortages, and decreased agricultural production. However, setting ambitious greenhouse gas reduction targets aligned with scientific recommendations could help save businesses up to $190 billion annually by 2020 through energy efficiency and renewable energy.
Natural causes of climate change
The Earth’s climate is dynamic and characterised by trends, aberrations and quasi-periodic oscillations varying over a broad range of time-scales [1], which are governed by external (extraterrestrial systems) and/or internal(ocean, atmosphere and land system). Trends are largely controlled by plate tectonics, and thus to change gradually on million year time scale. Aberrations occur when the certain thresholds are passed and are manifested in the geological record as the unusual rapid (less than a few thousands of years) or extreme change in climate. The quasi-periodic oscillations are mostly astronomically paced; they are driven by astronomical perturbations that affect the earth’s orbit around the sun and the orientation of earth’s rotation axis with respect to its orbital plane. These perturbations are described by the three main astronomical cycles: eccentricity, precession and obliquity, which together determine the spatial and seasonal pattern of insolation received by the earth [2], eventually resulting in climatic oscillations of ten to hundreds of thousands of year [3].Sun being the main source of energy for the earth system controls the climate of it. Variation in solar activity and cosmic ray intensity has direct influence over climatic features such as cloudiness, temperature and rainfall [4]. Volcanic eruptions also force all elements of the climatic systems up to a varying degree but producing long term climatic signals in the ocean. The cumulative volcanic cooling effect at present offsets about one third of anthropogenic warming [5].Other than these causes paleoclimatologists also relates the past climate changes with movement of solar system[6], interplanetary dusts and influence of asteroids[7].However the recent variability in climate what earth is experiencing is unlikely due to any of the individual above factors rather it is due to the compound effect of complex interactions of all the natural as well as anthropogenic forcings.
References:
1. J. C. Zachos, M. Pagani, L. Sloan, E. Thomas, K. Billups, Science 292 (2001) 686-693.
2. G. Kukla, Nature (London) 253, 600 (1975).
3. J. D. Hays, J. Imbrie, N. J. Shackleton, Science 194 (1876) 1121-1132.
4. N. Marsh, H. Swensmark, Space Sci. Rev. 94 (2000) 215-230.
5. T. L. Delworth, V. Ramaswamy, G. L. Stenchikov, Geophys. Res. Lett. 32 (2005) L24709.
6. K. Fuhrer, E. W. Wolf, S. J. Johnsen, J. Geophys. Res. 104(D24) (1999) 31043-31052
7. P. Hut, W. Alvarez, W. P. Elder, T. Hansen, E. G. Kauffman, G. Keller, E. M. Shoemaker & P. R. Weissman, Nature Vol. 329, 10 September, 1987
Presentation
The greenhouse effect occurs when gases like carbon dioxide and methane trap heat in the atmosphere, warming the planet. According to scientific consensus, human economic activity is enhancing the greenhouse effect and causing climate change by emitting more of these gases. The impacts of climate change include higher average global temperatures, more extreme weather like droughts and hurricanes, rising sea levels from melting ice caps, and disruptions to ecosystems.
DanielaD_climch-evidence
Global temperatures have risen since 1880 due to increased greenhouse gases, with the top 10 warmest years occurring in the last 12 years. The oceans have warmed by 0.3 degrees Fahrenheit in the top 700 meters since 1969. Both the Greenland and Antarctic ice sheets have been losing over 150 cubic km of ice per year since 2002, and glaciers around the world are retreating.
Mhc352
The document discusses the case for human-made climate change, including terminology, causes such as natural factors and human activities like burning fossil fuels, increasing greenhouse gases, the greenhouse effect, land use changes, and effects on physical systems, ecosystems, polar regions, precipitation, sea level, hurricanes, human health, agriculture, water resources and energy.
Causes Of Climate Change
The document discusses several potential causes of climate change, including both natural and human factors that can lead to cooling or warming. It describes how the Milankovitch cycles have coincided with ice ages in the past. El Nino and La Nina events involve changes in ocean circulation patterns in the Pacific that impact global weather. The albedo effect describes how ice and snow reflect solar radiation and cool the climate. Deforestation reduces carbon absorption and lowers albedo, while fossil fuel burning increases the greenhouse effect. Volcanic eruptions can cool the climate temporarily by reflecting sunlight.
Long term & short term effects of climate
This document discusses both long-term and short-term causes of climate change. Long-term causes occurring over millions of years include continental drift, changes in Earth's orbit and tilt, which affect ocean currents and temperatures. Short-term causes operating over decades to thousands of years include volcanic eruptions, which eject particles that block sunlight, and shifts in ocean and air currents driven by wind and temperature changes. Together, these natural factors have triggered shifts between ice ages and warmer periods throughout Earth's history.
3 global warming is not real bbk
This document argues that global warming is caused by natural factors and not human activity. It provides several examples of natural causes, including continental drift, variations in the Earth's orbit and tilt, solar activity, volcanic eruptions, and increased levels of greenhouse gases like carbon dioxide, methane and water vapor from natural sources over long time periods. The document aims to show that global warming is part of regular warming and cooling cycles and not primarily caused by human carbon dioxide emissions.
L spina climch-evidence
Climate change refers to significant and lasting changes in weather patterns over long periods of time. It is caused by both natural factors and human activities like burning fossil fuels which release greenhouse gases. Evidence of climate change includes rising global temperatures, shrinking glaciers, earlier flowering times, more extreme weather events, rising sea levels, and warming oceans. If emissions continue, the IPCC predicts increases in global temperatures between 1-3 degrees Celsius which will have both beneficial and harmful effects worldwide.
Global climate change facts
1) The document discusses various causes of global climate change including changes in Earth's orbit and solar radiation, albedo effects, and greenhouse gases like carbon dioxide and methane.
2) Evidence of past climate changes is seen in temperature and carbon dioxide variations from ice cores, glacial activity, sea levels, and vegetation changes.
3) The author argues that climate change is a natural phenomenon and that the role of human-caused carbon dioxide emissions in current warming is limited and uncertain.
Man and-climate-1
This powerpoint presentation is created by Gyanbikash.com for the students of class nine to ten from their English first part NCTB textbook for multimedia class.
Global warming
Global warming is caused by increased carbon dioxide and other greenhouse gases trapping heat in the atmosphere. This is melting polar ice caps and glaciers, causing sea levels to rise and threaten coastal areas. As temperatures increase, animal populations are declining and coral reefs are bleaching. Over the past 150 years, temperatures have risen more than in previous centuries due to increased fossil fuel usage and carbon dioxide emissions. To slow global warming, carbon dioxide production must be reduced by conserving fossil fuel usage.
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Global warming
The document summarizes the scientific evidence and consensus on climate change. It explains that human emissions of greenhouse gases are trapping heat and causing the planet to warm at a rate not seen in centuries. This is melting ice, raising sea levels, and shifting weather patterns in ways that threaten ecosystems and human communities. While uncertainties remain, most climate scientists agree that significant impacts are already occurring and will increase substantially if emissions are not reduced.
Global warming test
Global warming is caused by carbon dioxide and other greenhouse gases trapping heat in the atmosphere. This is warming the earth and melting ice caps and glaciers, which causes sea levels to rise and threatens coastal areas. As temperatures increase, climate changes are altering ecosystems and threatening plants and animals through shifting habitats and increased droughts and fires. The rapid warming seen in recent decades is unprecedented and is primarily due to human emissions of carbon dioxide from fossil fuel usage. Unabated, global warming will continue to have damaging environmental and economic consequences.
PPT ON GLOBAL WARMING
Global warming is caused by human-produced greenhouse gas emissions, primarily from the burning of fossil fuels. It is causing rising temperatures worldwide and changes to climate patterns that threaten ecosystems and human communities. While reducing emissions could help limit future warming, some impacts are already unavoidable due to past emissions and warming humanity has already caused. Solutions involve transitioning to renewable energy sources, improving energy efficiency, and carbon sequestration technologies.
Global warming
Scientists have determined that global warming is caused primarily by human-produced greenhouse gas emissions from activities like burning fossil fuels. The main greenhouse gases are carbon dioxide, methane, and nitrous oxide, which are emitted through activities like driving, electricity production, agriculture, and industrial processes. While natural factors also influence the climate, the current rapid warming trend cannot be explained without accounting for human greenhouse gas emissions. Global effects are already appearing, such as rising temperatures, melting ice sheets and glaciers, sea level rise, and shifts in animal and plant ranges.
Social climate change & water crisis
this z a ppt on climate change and water crisis
well, I would actually say that a few slides in da climate change r frm other ppt's bt most dem were searched by myself.
in da water crisis also I hv done da same....
for more info;s I hv also made a page of IMPORTANT references..
thank u
hope u'd lyk it
comment below
Global Warming H A I R E R
The document discusses the causes and effects of global warming. It explains that the climate has naturally changed throughout history, but since the Industrial Revolution human activities like burning fossil fuels have substantially increased greenhouse gas emissions. This has changed the atmosphere's composition and likely influenced temperature, precipitation and sea levels. While climate also varies naturally, determining the proportion caused by human vs natural factors is challenging. The document then outlines specific atmospheric and climate changes observed, such as rising greenhouse gas levels, increasing global temperatures, and rising sea levels. It emphasizes the need for immediate action to address global warming.
What is climate change doing to us and for us?
What are we doing to our climate? Emissions from fossil fuel burning have raised carbon dioxide concentrations 35% higher than in the last millions of years. This increase is warming our planet via the Greenhouse Effect. What is climate change doing to and for us? Dry regions are drier and wet ones wetter. Wildfires have increased threefold, hurricanes more violent, floods setting record heights, glaciers melting, and seas rising. Parts of Earth are increasingly uninhabitable. Climate change requires us to act as a global community. Climate justice enjoins emitters to pay the social-environmental costs of fossil fuel burning. This would expedite green solar, wind, and next-generation nuclear energy sources. Individuals should conserve resources, waste less food, and eat a plant rich diet.
Global warming
Climate change is driven by human emissions of greenhouse gases which have caused unprecedented warming since the mid-20th century. This human-caused climate change is undisputed by scientific organizations. Feedback loops involving factors like loss of ice and increased water vapor are accelerating temperature rise.
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Essay about Global Warming
Global warming
The document discusses the scientific consensus on the causes and effects of global warming. It explains that scientists have concluded human greenhouse gas emissions are the main cause of current global warming trends, based on extensive research ruling out natural factors alone. The document outlines some of the major greenhouse gases emitted by human activities that are contributing to increased temperatures worldwide, and provides examples of impacts already occurring like glacial melting as well as potential future impacts if warming continues such as rising sea levels.
Presentation On Global Warming
This document discusses global warming and its causes, effects, solutions, and future impacts. It begins by defining global warming as the increasing average air temperature near Earth's surface over the past one to two centuries, caused by increased greenhouse gases like carbon dioxide, methane, and nitrous oxide. The document then lists key causes of global warming like emissions from fossil fuel use, deforestation, and industrial activities. Effects mentioned include rising temperatures, changing precipitation patterns, melting ice, and more frequent extreme weather. Solutions proposed center around transitioning away from fossil fuels to renewable energy and making lifestyle changes to reduce emissions and resource use. The conclusion warns that global warming poses major threats and will exacerbate issues like sea level rise, ocean acidification
GLoBal WaRmiNg..
Global Warming - A Global Warning....
today Global warming is Rapidly increasingh it is the need of the hour to control it......
for more details about the presentation contact
anishrajgoyal09rockstar@gmail.com
Global warming
Hello everyone. today, my presentation is on Global warming. I hope you all will like this presentation. :))
Calentamiento global
Global warming is caused by carbon dioxide from human sources like vehicles and factories trapping heat in the atmosphere, similar to the greenhouse effect. This is causing ice caps and glaciers to melt, which raises sea levels and could flood coastal areas. Rising global temperatures are also expected to alter forests and crop yields, spread diseases, and damage ecosystems and national parks. The rapid warming of the past 150 years is unprecedented and is largely due to increased fossil fuel usage. This warming is damaging coral reefs and causing penguin populations to decline. Reducing fossil fuel use would help minimize further global warming impacts.
Globalwarming 150105040110-conversion-gate02
Global warming is caused by carbon dioxide from human sources like vehicles and factories trapping heat in the atmosphere, similar to the greenhouse effect. This is causing ice caps and glaciers to melt, which raises sea levels and could flood coastal areas. Rising global temperatures are also expected to alter forests and crop yields, expand deserts, and negatively impact ecosystems and human health. The rapid warming seen in the last 150 years is unprecedented and is largely due to increased fossil fuel usage. This warming is damaging coral reefs and causing penguin populations to decline. Reducing fossil fuel use would help minimize further global warming impacts.
Global_warming_presentation.pptx
Global warming refers to the rising average temperature of the Earth's atmosphere and oceans over time. The document discusses the causes of global warming, including increased carbon dioxide and methane emissions from human activities like burning fossil fuels and deforestation. The effects of global warming include rising sea levels, more extreme weather events, species extinction, and changes to agricultural yields. While global warming continues to occur, reducing carbon emissions from fossil fuels and preserving carbon sinks can help control the problem.
Essay About Global Warming
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Essay about Global Warming
Global warming, air pollution, and toxic chemicals are just a few of the horrible termites slowing tearing away at the environment in which we live. As technology in industrialized community has advanced over the years, there has been an alarming about of toxins released into our atmosphere; causing catastrophic effects to our environment and our bodies. Humans were placed on the top of the hierarchy of all life on earth, it would unethical for us to ignore our responsibility to cultivate, nurture and take care of the earth on which we live.
There are many controversies about Global warming, air pollution and toxic chemicals; environmentalist are studying the origins of the problems and creating solutions to end them. Environmentalist...show more content...Global warming is defined as the warming of the earth s atmosphere due to a high increase of harsh chemicals such as CO2, methane, and nitrous oxide (Rothschild, D. 2007, pg. 8). Global warming is not the cause but rather it is just the daunting result of many causes. The increase in automobile usage causes an increase in the amount of emissions in the air, the increase in air conditioning units, airplanes, with heaters chemical plants and much more are all associated with the causes of global warming.
As a result of this world wide issue, animals such as polar bears and penguins are on the verge of becoming instinct due to the melting of glaciers which is their natural environment. This major problem has translated from first effecting the
Environmental Issues
Change In Antarctica
Glaciers around the world are retreating at an increasing rate due to climate change. As glaciers melt, it impacts water supply and sea level rise. Many glaciers have retreated significantly in recent decades, and some are predicted to disappear entirely in the coming years if warming continues unabated. The melting of glaciers threatens both human and natural systems as it alters water availability and ecosystem stability.
Climate change , causes, impacts and solutions.pptx
this topic is prepared from millers book titled "living in the environment".
Global warming
Global warming is a slow rise in Earth's surface temperature caused by increased levels of carbon dioxide and other greenhouse gases from human activities like burning fossil fuels. Temperatures have increased about 0.74°C in the last 150 years and are projected to rise up to 6°C in the next century. Higher temperatures cause sea level rise from water expansion and melting ice sheets and glaciers, threatening many coastal cities. While some effects of global warming are uncertain, consequences may include stronger storms, shifting climate patterns, and damage to agriculture and natural environments. Responses have included international agreements like the Kyoto Protocol to reduce greenhouse gas emissions and efforts to adapt to or mitigate climate change impacts.
Similar to El calentamiento global (20)
Climate change , causes, impacts and solutions.pptx
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The popularity of functional foods among scientists and common people has been increasing day by day. Awareness and modernization make the consumer think better regarding food and nutrition. Now a day’s individual knows very well about the relation between food consumption and disease prevalence. Humans have a diversity of microbes in the gut that together form the gut microflora. Probiotics are the health-promoting live microbial cells improve host health through gut and brain connection and fighting against harmful bacteria. Bifidobacterium and Lactobacillus are the two bacterial genera which are considered to be probiotic. These good bacteria are facing challenges of viability. There are so many factors such as sensitivity to heat, pH, acidity, osmotic effect, mechanical shear, chemical components, freezing and storage time as well which affects the viability of probiotics in the dairy food matrix as well as in the gut. Multiple efforts have been done in the past and ongoing in present for these beneficial microbial population stability until their destination in the gut. One of a useful technique known as microencapsulation makes the probiotic effective in the diversified conditions and maintain these microbe’s community to the optimum level for achieving targeted benefits. Dairy products are found to be an ideal vehicle for probiotic incorporation. It has been seen that the encapsulated microbial cells show higher viability than the free cells in different processing and storage conditions as well as against bile salts in the gut. They make the food functional when incorporated, without affecting the product sensory characteristics.
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学校原件一模一样【微信：741003700 】《(Newcastle毕业证书)纽卡斯尔大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
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四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
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6:个人职称评审加20分
7:个人信誉贷款加10分
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本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
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一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
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2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
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El calentamiento global
- 1. "Global warming" Glaciersare melting,sealevelsare rising,forestsare dryingupandflora andfauna are strugglingtokeepup.It isincre asingly clearthat humanshave causedmost of the warmingof the lastcentury,throughthe emissionof gasesthatretainheat,to improve ourmodernlife.We call greenhouse gasesandtheirlevelsare increasing,now andinthe last 65,000 years.The greenhouse effectisthe heatingthatoccurs whencertaingasesinthe earth'satmosphere retainheat.These gasesletinlightbut keepthe heatlike the glasswallsof agreenhouse.The worldaverage temperature andthe concentrationsof carbondioxide (one of the maingreenhouse gases) have fluctuatedinacycle of hundredsof thousandsof yearsbecause the positionof the Earth has variedwithrespecttothe sun.As a result,differentagesof ice occurred.The rapidincrease ingreenhousegasesisaproblem because the climate ischangingsofastthat some livingthingscannotadapt. Inthe same way,a new and more unpredictable climate imposesunique challengesforall typesof life.Historically,the Earth'sclimate hasoscillatedbetweentemperatureslike those we knowtodayand temperaturessocoldthatlarge ice caps coveredmostof NorthAmericaandEurope.Duringthe past year, the "global average temperature"of terrestrial andoceanicsurfaceswas0.9degreescentigrade above the 20thcentury average,reaching13.9 degreescentigrade.Inaddition,tenof the twelvemonthsof 2015 registeredrecordtemperatures.Most of global warminghasoccurredinthe last 35 years,coincidingwiththe increase of greenhouse gasemissionsbyhumans,as notedbyNASA. Image representingwarming total