Global Warming
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Global warming refers to the increase in the Earth's average surface temperature due to a buildup of greenhouse gases from human activity like the burning of fossil fuels. This is causing broader changes around the world, such as sea level rise and more extreme weather, as well as impacts to ecosystems and human communities through changes in issues like agricultural yields, species extinctions, and trade routes. Natural factors like solar variation and volcanoes have also caused some warming, but human-caused greenhouse gas emissions are the dominant cause of warming observed since pre-industrial times.
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Global Warming
Global warming refers to the increase in the Earth's average surface temperature due to a buildup of greenhouse gases from human activity like the burning of fossil fuels. This is enhancing the greenhouse effect. Natural factors like variations in solar activity and volcanoes likely contributed to some warming from pre-industrial times. Global warming is causing broader effects such as glacial melting, sea level rise, and changes in extreme weather. Other impacts include alterations to agriculture, new shipping routes, and species extinction. We can help address global warming by reducing energy usage, recycling, using public transportation, and installing solar panels.
Conservation
A forest is defined as an area of land covered with trees that have overlapping crowns covering 60-100% of the ground. Deforestation, the destruction of forests, is occurring worldwide for reasons such as agriculture, logging, and development. This causes detrimental effects like loss of biodiversity, climate change, and soil erosion. Deforestation starts a chain reaction of events, including climate change that melts ice caps and increases storms and droughts, threatening ecosystems.
Green house gases
Greenhouse gases like carbon dioxide, methane, and nitrous oxide trap heat in the atmosphere and cause the greenhouse effect. Human activities that burn fossil fuels or involve agriculture are increasing the levels of these gases in the atmosphere. The rising greenhouse gas levels are causing the average global temperature to increase, leading to changes in climate patterns around the world. Nations need to work together to study and address this international problem through measures that reduce fossil fuel use, increase forestation, and find alternatives to greenhouse gas emitting activities and technologies.
Global warming
The document summarizes the causes and effects of global warming. It states that the greenhouse effect traps heat in the atmosphere, causing temperatures to rise. This warming leads to more floods, droughts, and storms, especially impacting small island countries. As sea levels rise due to melting ice and thermal expansion, low-lying lands and islands are submerged, disrupting habitats and food sources for people and animals. The document also notes that global warming is harming ocean algae, reducing an important food source. Key contributors to global warming mentioned include fossil fuel combustion for electricity production and deforestation. Suggested solutions involve government policies around pollution limits and renewable energy as well as individual actions such as recycling and using public transportation
The planet earth
The document discusses several factors that are damaging the Earth's ecosystem and environment, including ecosystem changes, extinction of animals, global warming, pollution, and climactic changes. It provides explanations and examples of each factor, how they harm the planet, and some ways human activities can be adjusted to reduce negative impacts and help protect the Earth's resources for the future.
new Env Issues 218 220h
The document discusses several environmental issues including global warming, climate change, and ocean pollution. It outlines the various human activities that contribute to rising global temperatures such as burning fossil fuels and deforestation. These activities increase greenhouse gases in the atmosphere and disrupt the greenhouse effect. The document also discusses how ocean pollution from land runoff and plastic waste kills millions of seabirds, fish, and other marine life each year. Major oil spills devastate ocean ecosystems, such as the 1989 Exxon Valdez spill in Alaska which killed hundreds of thousands of animals. Solutions proposed include international agreements to limit greenhouse gases, reducing synthetic pollutants, stopping ocean dumping, and supporting environmental protection efforts.
The ecosystem
1. The document summarizes an introduction to ecosystems, including definitions of key terms like producers, consumers, decomposers, food chains, and energy pyramids.
2. It describes different types of nutrient cycling (oxygen, carbon, nitrogen), ecosystems in Bangladesh (aquatic, soil, forest), and problems ecosystems face like pollution and global warming.
3. The document concludes by stating that protecting ecosystems requires awareness, influencing laws, reducing pollution, and other small conservation efforts.
Greenhouse effect
The document discusses the greenhouse effect and greenhouse gases. It defines the greenhouse effect as the process by which the Earth's atmosphere warms due to greenhouse gases like carbon dioxide, water vapor, methane, and ozone absorbing heat from the sun and preventing it from escaping. It notes that a small amount of carbon dioxide is good for life on Earth by warming the climate, but too much causes global warming and dangerously higher temperatures. The document lists fossil fuel combustion and animal agriculture as contributors to increased greenhouse gases in the atmosphere.
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Global Warming
Global warming refers to the increase in the Earth's average surface temperature due to a buildup of greenhouse gases from human activity like the burning of fossil fuels. This is enhancing the greenhouse effect. Natural factors like variations in solar activity and volcanoes likely contributed to some warming from pre-industrial times. Global warming is causing broader effects such as glacial melting, sea level rise, and changes in extreme weather. Other impacts include alterations to agriculture, new shipping routes, and species extinction. We can help address global warming by reducing energy usage, recycling, using public transportation, and installing solar panels.
Conservation
A forest is defined as an area of land covered with trees that have overlapping crowns covering 60-100% of the ground. Deforestation, the destruction of forests, is occurring worldwide for reasons such as agriculture, logging, and development. This causes detrimental effects like loss of biodiversity, climate change, and soil erosion. Deforestation starts a chain reaction of events, including climate change that melts ice caps and increases storms and droughts, threatening ecosystems.
Green house gases
Greenhouse gases like carbon dioxide, methane, and nitrous oxide trap heat in the atmosphere and cause the greenhouse effect. Human activities that burn fossil fuels or involve agriculture are increasing the levels of these gases in the atmosphere. The rising greenhouse gas levels are causing the average global temperature to increase, leading to changes in climate patterns around the world. Nations need to work together to study and address this international problem through measures that reduce fossil fuel use, increase forestation, and find alternatives to greenhouse gas emitting activities and technologies.
Global warming
The document summarizes the causes and effects of global warming. It states that the greenhouse effect traps heat in the atmosphere, causing temperatures to rise. This warming leads to more floods, droughts, and storms, especially impacting small island countries. As sea levels rise due to melting ice and thermal expansion, low-lying lands and islands are submerged, disrupting habitats and food sources for people and animals. The document also notes that global warming is harming ocean algae, reducing an important food source. Key contributors to global warming mentioned include fossil fuel combustion for electricity production and deforestation. Suggested solutions involve government policies around pollution limits and renewable energy as well as individual actions such as recycling and using public transportation
The planet earth
The document discusses several factors that are damaging the Earth's ecosystem and environment, including ecosystem changes, extinction of animals, global warming, pollution, and climactic changes. It provides explanations and examples of each factor, how they harm the planet, and some ways human activities can be adjusted to reduce negative impacts and help protect the Earth's resources for the future.
new Env Issues 218 220h
The document discusses several environmental issues including global warming, climate change, and ocean pollution. It outlines the various human activities that contribute to rising global temperatures such as burning fossil fuels and deforestation. These activities increase greenhouse gases in the atmosphere and disrupt the greenhouse effect. The document also discusses how ocean pollution from land runoff and plastic waste kills millions of seabirds, fish, and other marine life each year. Major oil spills devastate ocean ecosystems, such as the 1989 Exxon Valdez spill in Alaska which killed hundreds of thousands of animals. Solutions proposed include international agreements to limit greenhouse gases, reducing synthetic pollutants, stopping ocean dumping, and supporting environmental protection efforts.
The ecosystem
1. The document summarizes an introduction to ecosystems, including definitions of key terms like producers, consumers, decomposers, food chains, and energy pyramids.
2. It describes different types of nutrient cycling (oxygen, carbon, nitrogen), ecosystems in Bangladesh (aquatic, soil, forest), and problems ecosystems face like pollution and global warming.
3. The document concludes by stating that protecting ecosystems requires awareness, influencing laws, reducing pollution, and other small conservation efforts.
Greenhouse effect
The document discusses the greenhouse effect and greenhouse gases. It defines the greenhouse effect as the process by which the Earth's atmosphere warms due to greenhouse gases like carbon dioxide, water vapor, methane, and ozone absorbing heat from the sun and preventing it from escaping. It notes that a small amount of carbon dioxide is good for life on Earth by warming the climate, but too much causes global warming and dangerously higher temperatures. The document lists fossil fuel combustion and animal agriculture as contributors to increased greenhouse gases in the atmosphere.
Global warming
Global warming is caused by increasing greenhouse gases from human activity and is a serious threat. It is defined as rising average temperatures near Earth's surface and oceans. Most scientists agree that human-caused global warming is occurring. Responses include reducing emissions through mitigation and adapting to impacts, as well as removing greenhouse gases from the atmosphere. Organizations are studying global warming and its effects to develop solutions and protect vulnerable populations from rising seas and changing weather.
Forest Fires
Forest fires play an important role in ecosystems by fertilizing the soil with ash but can be dangerous to animals, homes, and economies. They destroy habitats and populations can decline while firefighters face safety risks. Significant resources and funding are required for firefighting tools, aircraft, and research on control techniques. New technologies like foam tanks and aircraft that can drop thousands of gallons of water have helped battle forest fires.
Uses of natural resources.
This document discusses renewable and non-renewable natural resources. Renewable resources like water, air, plants and animals can regenerate with time, while non-renewable resources like coal and oil were created over millions of years and are not readily replaced. It emphasizes the importance of taking care of natural resources and provides some examples of how to conserve resources like water.
Sec 1 Na Enironment & Natural Resources
There are two types of environments: physical and human. The physical environment has not been changed by people and includes natural features like landforms, rocks, rivers, weather, and climate and natural vegetation. The human environment has been changed by human activities to suit human needs. Natural resources are basic substances from the physical environment that are used by humans, including sunlight, air, water, rocks, land, and forests. Natural resources can be renewable like sunlight, timber, and hydroelectric power or non-renewable like fossil fuels. The environment influences how people live and people alter the environment to suit their needs.
Natural resources (teach)
Natural resources are things that come from nature that are used by humans. They include plants, animals, air, water, soil, rocks and minerals, fossil fuels like coal, crude oil and natural gas, the sun, and wind. Plants provide food, oxygen, clothing materials like cotton, paper and lumber. Animals provide food and materials like leather. Soil is necessary for growing plants and is used to make glass, concrete, bricks and tiles. Rocks and minerals are used for construction, metals that are essential for infrastructure and manufacturing are derived from minerals found in rocks. Fossil fuels are primarily used for energy but also to make plastics and other materials. The sun and wind are renewable energy resources.
Ecology- Parvin Mammadova
Modern Ecological State of Azerbaijan and Ways for Solving of Ecological Problems discusses the major environmental problems facing Azerbaijan including pollution, deforestation, desertification, habitat loss, and animal extinction. It notes that many of these issues are caused by human actions and outlines solutions such as reducing pollution and garbage, avoiding deforestation by planting trees, outlawing hunting of endangered species, and protecting natural areas by prohibiting hunting and logging. Additionally, it highlights 2010 as an important year for improving Azerbaijan's ecological situation through a presidential meeting on environmental problems and initiatives like mass tree planting campaigns.
Mighty Mountains
Mountains cover one-fifth of the world's landscape and are an important source of water, energy, and biological diversity. They are home to many natural resources and rare plants. However, mountains are susceptible to rough weather, soil erosion, and degradation from human activities like mining, deforestation, and urbanization. It is important to protect mountain ecosystems to preserve fresh water sources, biodiversity, and mitigate climate change.
Global warming
Global warming is caused by the greenhouse effect, where gases like carbon dioxide trap heat in the atmosphere and cause the planet to warm. This is expected to raise sea levels and alter regional climates and ecosystems, affecting things like forests, agriculture, and wildlife. To address global warming, we must reduce emissions from fossil fuels and deforestation, as well as implement other climate solutions on both individual and policy levels.
Natural resources lecture
The document classifies natural resources based on their origin, stage of development, and renewability. It provides examples of biotic and abiotic resources classified by origin. Potential and actual resources are classified by stage of development. Renewable resources like sunlight, wind, and hydroelectric power are replenishable, while non-renewable resources like fossil fuels and minerals are not. Examples of renewable energy sources include solar, wind, hydroelectric, and geothermal power. Non-renewable resources discussed are fossil fuels like coal, petroleum, and natural gas formed from ancient organic matter, as well as mineral resources.
Natural resources
natural resources are such material which present in our natural environment and useful to living organisms.
Hugo's power point 2
Pollution is caused by many human activities and substances released into the environment. Greenhouse gases like carbon dioxide and methane trap heat in the atmosphere and contribute to global warming over time. Factory pollution is a major source of water and air pollution in the United States, releasing pollutants from manufacturing processes. Driving cars is also a significant source of air pollution. Litter and improper disposal of waste hurts wildlife when animals ingest or become entangled in trash. Reducing energy usage, waste, and switching to renewable energy can help address pollution problems.
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limitation, need for renewable energy, non-conventional energy sources. An overview of
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Thermal Energy Conversion, solar energy, biomass, biochemical conversion, biogas
generation, geothermal energy tidal energy, Hydroelectricity.
11.biodiversity and ; forest biodiversity A Presentation By Mr. Allah Dad Kh...
A Presentation By Mr. Allah Dad Khan Visiting Professor the University of Agriculture Peshawar allahdad52@gmail.com
Air resources
The document discusses air, the atmosphere, and air pollution. It defines air as the mixture of gases surrounding Earth that humans breathe. The atmosphere protects life on Earth and is composed of different layers including the troposphere where humans live and most clouds and water vapor exist. Air and the atmosphere are important as they prevent harmful sun rays, burn up falling objects in the sky, influence other resources and regulate Earth's temperature. However, air pollution from sources like vehicles and industry can cause health issues for humans and harm plants and contribute to problems like acid rain, global warming and ozone layer destruction. Ways to reduce air pollution discussed include decreasing greenhouse gases, preserving forests, monitoring air quality, and reducing emissions.
ECOSYSTEMS BY JIA JI & SARA Y
The document discusses how humans impact the environment through activities like cutting down trees, burning fossil fuels, and plowing land, which can negatively affect ecosystems. It identifies several environmental problems caused by human activity, including different types of pollution, global warming due to increased carbon dioxide in the atmosphere from fossil fuel use, deforestation which reduces forests, and loss of biodiversity and species extinction from global warming and deforestation.
Greenhouse Effect
One integral, detailed and comprehensive presentation on the global problem - Greenhouse Effect :) Enjoy :P
Types of ecosystem
An ecosystem consists of the biological community and abiotic environment in a specific locale. There are three major classes of ecosystems: freshwater, terrestrial, and ocean. Terrestrial ecosystems include seven major types that vary based on location and precipitation levels, such as tropical rainforests, savannas, deserts, temperate grasslands, deciduous forests, coniferous forests, and tundra. Oceans cover most of the Earth and contain shallow ocean waters, deep ocean waters, and deep ocean surface ecosystems.
The importance of forests.do
Forests are an important ecological kingdom that provides balance for many animals and ecosystems. They produce oxygen for respiration and carbon dioxide for photosynthesis, while also protecting wildlife from heat through shade and cooling the earth's temperature. Forests help sustain life by providing food, shelter, and water to animals through rivers and lakes. Dense forests absorb greenhouse gases and help regulate the climate by reducing the effects of global warming at local and global scales.
Global warming
The document discusses several issues negatively impacting the environment including melting ice, methane gas emissions, deforestation, and high energy consumption. Melting ice is occurring faster than ever before which could raise sea levels and harm wildlife. Methane is a potent greenhouse gas over 20 times more effective than carbon dioxide at trapping heat. Deforestation alters climates, causes species extinction, and reduces the lungs of the Earth. Some solutions proposed are reducing energy use, stopping deforestation, and changing behaviors to help the environment. While the problems are large, small individual actions could help decrease their effects.
Fossil fuels
Fossil fuels are fuels formed by the decomposition of dead organisms over millions of years. They include coal, petroleum, and natural gas. Coal is a black sedimentary rock formed from compressed plant matter. Petroleum, or crude oil, is a complex mixture of hydrocarbons that is formed from the remains of ancient marine organisms. Natural gas is composed primarily of methane and is found associated with other fossil fuels or created by organisms in marshes and bogs.
RAINFOREST
Global warming is causing rising temperatures and changes in weather patterns that threaten rainforests and the species that inhabit them. As the climate changes, rainforests are expected to experience higher temperatures, more extreme weather, and changing rainfall patterns. This can destroy habitats and cause many plants and animals to become extinct as they are unable to adapt to the new conditions. Conservation efforts are needed to help protect vulnerable species and preserve these important ecosystems.
2013 ag-10 M.Nadeem Ashraf
The document discusses biodiversity, environmental changes, and climate change. It defines biodiversity and explains its importance for human sustenance, health, well-being, and recreation. Six major environmental challenges are identified, including climate change. Climate change is defined as a change in average weather patterns like temperature and precipitation. Greenhouse gases in the atmosphere cause the greenhouse effect and global warming. The document then discusses threats to biodiversity from climate change, including extinction of many plant and animal species. Specific examples of threatened species in Pakistan are provided. The document calls for conservation efforts and development of alternative energy sources to mitigate global warming.
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Global warming
Global warming is caused by increasing greenhouse gases from human activity and is a serious threat. It is defined as rising average temperatures near Earth's surface and oceans. Most scientists agree that human-caused global warming is occurring. Responses include reducing emissions through mitigation and adapting to impacts, as well as removing greenhouse gases from the atmosphere. Organizations are studying global warming and its effects to develop solutions and protect vulnerable populations from rising seas and changing weather.
Forest Fires
Forest fires play an important role in ecosystems by fertilizing the soil with ash but can be dangerous to animals, homes, and economies. They destroy habitats and populations can decline while firefighters face safety risks. Significant resources and funding are required for firefighting tools, aircraft, and research on control techniques. New technologies like foam tanks and aircraft that can drop thousands of gallons of water have helped battle forest fires.
Uses of natural resources.
This document discusses renewable and non-renewable natural resources. Renewable resources like water, air, plants and animals can regenerate with time, while non-renewable resources like coal and oil were created over millions of years and are not readily replaced. It emphasizes the importance of taking care of natural resources and provides some examples of how to conserve resources like water.
Sec 1 Na Enironment & Natural Resources
There are two types of environments: physical and human. The physical environment has not been changed by people and includes natural features like landforms, rocks, rivers, weather, and climate and natural vegetation. The human environment has been changed by human activities to suit human needs. Natural resources are basic substances from the physical environment that are used by humans, including sunlight, air, water, rocks, land, and forests. Natural resources can be renewable like sunlight, timber, and hydroelectric power or non-renewable like fossil fuels. The environment influences how people live and people alter the environment to suit their needs.
Natural resources (teach)
Natural resources are things that come from nature that are used by humans. They include plants, animals, air, water, soil, rocks and minerals, fossil fuels like coal, crude oil and natural gas, the sun, and wind. Plants provide food, oxygen, clothing materials like cotton, paper and lumber. Animals provide food and materials like leather. Soil is necessary for growing plants and is used to make glass, concrete, bricks and tiles. Rocks and minerals are used for construction, metals that are essential for infrastructure and manufacturing are derived from minerals found in rocks. Fossil fuels are primarily used for energy but also to make plastics and other materials. The sun and wind are renewable energy resources.
Ecology- Parvin Mammadova
Modern Ecological State of Azerbaijan and Ways for Solving of Ecological Problems discusses the major environmental problems facing Azerbaijan including pollution, deforestation, desertification, habitat loss, and animal extinction. It notes that many of these issues are caused by human actions and outlines solutions such as reducing pollution and garbage, avoiding deforestation by planting trees, outlawing hunting of endangered species, and protecting natural areas by prohibiting hunting and logging. Additionally, it highlights 2010 as an important year for improving Azerbaijan's ecological situation through a presidential meeting on environmental problems and initiatives like mass tree planting campaigns.
Mighty Mountains
Mountains cover one-fifth of the world's landscape and are an important source of water, energy, and biological diversity. They are home to many natural resources and rare plants. However, mountains are susceptible to rough weather, soil erosion, and degradation from human activities like mining, deforestation, and urbanization. It is important to protect mountain ecosystems to preserve fresh water sources, biodiversity, and mitigate climate change.
Global warming
Global warming is caused by the greenhouse effect, where gases like carbon dioxide trap heat in the atmosphere and cause the planet to warm. This is expected to raise sea levels and alter regional climates and ecosystems, affecting things like forests, agriculture, and wildlife. To address global warming, we must reduce emissions from fossil fuels and deforestation, as well as implement other climate solutions on both individual and policy levels.
Natural resources lecture
The document classifies natural resources based on their origin, stage of development, and renewability. It provides examples of biotic and abiotic resources classified by origin. Potential and actual resources are classified by stage of development. Renewable resources like sunlight, wind, and hydroelectric power are replenishable, while non-renewable resources like fossil fuels and minerals are not. Examples of renewable energy sources include solar, wind, hydroelectric, and geothermal power. Non-renewable resources discussed are fossil fuels like coal, petroleum, and natural gas formed from ancient organic matter, as well as mineral resources.
Natural resources
natural resources are such material which present in our natural environment and useful to living organisms.
Hugo's power point 2
Pollution is caused by many human activities and substances released into the environment. Greenhouse gases like carbon dioxide and methane trap heat in the atmosphere and contribute to global warming over time. Factory pollution is a major source of water and air pollution in the United States, releasing pollutants from manufacturing processes. Driving cars is also a significant source of air pollution. Litter and improper disposal of waste hurts wildlife when animals ingest or become entangled in trash. Reducing energy usage, waste, and switching to renewable energy can help address pollution problems.
Fossil fuels and alternate sources of energy
Fossil fuels and nuclear energy, there
limitation, need for renewable energy, non-conventional energy sources. An overview of
developments in Offshore Wind Energy, Tidal Energy, Wave energy systems, Ocean
Thermal Energy Conversion, solar energy, biomass, biochemical conversion, biogas
generation, geothermal energy tidal energy, Hydroelectricity.
11.biodiversity and ; forest biodiversity A Presentation By Mr. Allah Dad Kh...
A Presentation By Mr. Allah Dad Khan Visiting Professor the University of Agriculture Peshawar allahdad52@gmail.com
Air resources
The document discusses air, the atmosphere, and air pollution. It defines air as the mixture of gases surrounding Earth that humans breathe. The atmosphere protects life on Earth and is composed of different layers including the troposphere where humans live and most clouds and water vapor exist. Air and the atmosphere are important as they prevent harmful sun rays, burn up falling objects in the sky, influence other resources and regulate Earth's temperature. However, air pollution from sources like vehicles and industry can cause health issues for humans and harm plants and contribute to problems like acid rain, global warming and ozone layer destruction. Ways to reduce air pollution discussed include decreasing greenhouse gases, preserving forests, monitoring air quality, and reducing emissions.
ECOSYSTEMS BY JIA JI & SARA Y
The document discusses how humans impact the environment through activities like cutting down trees, burning fossil fuels, and plowing land, which can negatively affect ecosystems. It identifies several environmental problems caused by human activity, including different types of pollution, global warming due to increased carbon dioxide in the atmosphere from fossil fuel use, deforestation which reduces forests, and loss of biodiversity and species extinction from global warming and deforestation.
Greenhouse Effect
One integral, detailed and comprehensive presentation on the global problem - Greenhouse Effect :) Enjoy :P
Types of ecosystem
An ecosystem consists of the biological community and abiotic environment in a specific locale. There are three major classes of ecosystems: freshwater, terrestrial, and ocean. Terrestrial ecosystems include seven major types that vary based on location and precipitation levels, such as tropical rainforests, savannas, deserts, temperate grasslands, deciduous forests, coniferous forests, and tundra. Oceans cover most of the Earth and contain shallow ocean waters, deep ocean waters, and deep ocean surface ecosystems.
The importance of forests.do
Forests are an important ecological kingdom that provides balance for many animals and ecosystems. They produce oxygen for respiration and carbon dioxide for photosynthesis, while also protecting wildlife from heat through shade and cooling the earth's temperature. Forests help sustain life by providing food, shelter, and water to animals through rivers and lakes. Dense forests absorb greenhouse gases and help regulate the climate by reducing the effects of global warming at local and global scales.
Global warming
The document discusses several issues negatively impacting the environment including melting ice, methane gas emissions, deforestation, and high energy consumption. Melting ice is occurring faster than ever before which could raise sea levels and harm wildlife. Methane is a potent greenhouse gas over 20 times more effective than carbon dioxide at trapping heat. Deforestation alters climates, causes species extinction, and reduces the lungs of the Earth. Some solutions proposed are reducing energy use, stopping deforestation, and changing behaviors to help the environment. While the problems are large, small individual actions could help decrease their effects.
Fossil fuels
Fossil fuels are fuels formed by the decomposition of dead organisms over millions of years. They include coal, petroleum, and natural gas. Coal is a black sedimentary rock formed from compressed plant matter. Petroleum, or crude oil, is a complex mixture of hydrocarbons that is formed from the remains of ancient marine organisms. Natural gas is composed primarily of methane and is found associated with other fossil fuels or created by organisms in marshes and bogs.
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11.biodiversity and ; forest biodiversity A Presentation By Mr. Allah Dad Kh...
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RAINFOREST
Global warming is causing rising temperatures and changes in weather patterns that threaten rainforests and the species that inhabit them. As the climate changes, rainforests are expected to experience higher temperatures, more extreme weather, and changing rainfall patterns. This can destroy habitats and cause many plants and animals to become extinct as they are unable to adapt to the new conditions. Conservation efforts are needed to help protect vulnerable species and preserve these important ecosystems.
2013 ag-10 M.Nadeem Ashraf
The document discusses biodiversity, environmental changes, and climate change. It defines biodiversity and explains its importance for human sustenance, health, well-being, and recreation. Six major environmental challenges are identified, including climate change. Climate change is defined as a change in average weather patterns like temperature and precipitation. Greenhouse gases in the atmosphere cause the greenhouse effect and global warming. The document then discusses threats to biodiversity from climate change, including extinction of many plant and animal species. Specific examples of threatened species in Pakistan are provided. The document calls for conservation efforts and development of alternative energy sources to mitigate global warming.
Topic 1 world ecosystems
The document discusses various types of ecosystems around the world and how human activity affects ecosystems. It describes ecosystems as communities of living and non-living things linked together, and provides examples of different ecosystems like tropical rainforests, grasslands, and deserts. It also discusses how human actions like deforestation, agriculture, urbanization, and pollution can disrupt ecosystem cycles and balances, leading to issues like floods, erosion, and global warming.
Global warming
This is a powerpoint presentation on Global warming that can be used to spread awareness in the society as well as help students on their homework about global warming.
Natural & Land Resources Renewable and Non Renewable
This document discusses renewable and non-renewable natural resources. It defines renewable resources as those that can be replenished naturally, such as trees, animals, and sunlight. Non-renewable resources are finite and cannot be replenished, such as fossil fuels and metals. Examples of both renewable and non-renewable resources are provided, along with a discussion of how humans utilize natural resources and the importance of sustainability. Causes and effects of deforestation are also summarized.
IMPACT OF GLOBAL WARMING ON AQUATIC FLORA AND FAUNA
A rise in temperature as small as 1° C could have important and rapid effects on the geographical distributions and mortality of some organisms. The more mobile species should be able to adjust their ranges over time, but less mobile and sedentary species may not.There are many factors that can cause a warming of our climate; for example, more energy from the sun, large natural events such as El Nino or an increased greenhouse effect. Rising temperatures can directly affect the metabolism, life cycle, and behaviour of marine species. For many species, temperature serves as a cue for reproduction. Clearly, changes in sea temperature could affect their successful breeding. The number of male and female offspring is determined by temperature for marine turtles, as well as some fish and copepods (tiny shrimp-like animals on which many other marine animals feed). Changing climate could therefore skew sex ratios and threaten population survival.
deforestation and environmental degradation
The document discusses several causes and effects of deforestation and environmental degradation. It notes that over 12 million hectares of natural forest are lost annually, mainly due to selective logging and forest fires. Deforestation leads to soil erosion, climate change, species extinction and changes to local ecosystems. Some of the largest drivers of deforestation are logging, cattle ranching, agriculture and mining. Reducing consumption, recycling, and shifting to renewable energy and green transportation can help limit further environmental degradation.
Golbal Warming
It is the power point presentation which include all about global warming. It is good for the project as well as reference too.
Science physics
The document discusses global warming and climate change. It provides background on global warming, noting that average air temperatures have risen 1-2 degrees Celsius over the past century due to human activity like burning fossil fuels. Carbon dioxide levels have increased from 280 parts per million in the late 18th century to over 400 parts per million currently. The document then discusses the greenhouse effect and its role in global warming. It also lists some facts about the unprecedented bushfires in Australia and their links to climate change. Finally, it provides some suggestions for preventing and mitigating climate change through actions like using renewable energy, weatherizing homes, and reducing deforestation.
Science physics
This document discusses global warming and climate change. It provides background on global warming, noting that average air temperatures have increased over the past 1-2 centuries due to human activity like burning fossil fuels. Carbon dioxide levels have risen significantly since the industrial revolution. The document then discusses some of the causes and effects of climate change, including melting glaciers, rising sea levels, and changes to weather patterns. It also lists some strategies for preventing and reducing the impacts of climate change, such as using renewable energy, weatherizing homes, investing in efficient appliances, and reducing water waste.
Overview of climate change
Climate change is caused by both natural processes and human activities that increase greenhouse gases in the atmosphere. The greenhouse effect traps heat from the sun like a greenhouse, keeping the planet warm enough to sustain life. However, human activities like burning fossil fuels have increased greenhouse gases to levels that are forcing global temperatures to rise at an unprecedented rate. This is causing dangerous impacts like rising seas, stronger storms, more severe wildfires, and threats to food and water security. To address climate change, societies must work to both reduce emissions and adapt to the changes that can no longer be avoided.
Ecological problems
This document discusses several ecological problems facing the planet as a result of human activity, including pollution, habitat destruction, species extinction, deforestation, acid rain, and global warming. It notes that all living things are interconnected and that human activities like burning fossil fuels, cutting down forests, changing land use, and emitting pollutants are negatively impacting the environment and wildlife by destroying habitats, reducing biodiversity, and altering the climate. Urgent action is needed through limiting activities that damage the environment in order to protect the planet.
Climate change
The document discusses the Yamuna River, one of the major tributaries of the Ganges River in northern India. It notes the religious and socioeconomic significance of the Yamuna River while also highlighting the major sources of pollution degrading its waters, including domestic wastewater from cities, industrial contamination from nearby areas, and toxicity from idol immersions during religious festivals. The document also briefly mentions some projects aimed at cleaning up the Yamuna River to improve its water quality.
Green erath global wrming
Global warming refers to the increase in the Earth's average temperature due to human activities like burning fossil fuels and deforestation. This causes greenhouse gases like carbon dioxide to build up in the atmosphere and trap heat. The results of global warming include rising sea levels, more extreme weather, and habitat destruction that could cause 10% of species to be lost by 2050 if current trends continue. Some ways to control global warming are to reduce fossil fuel usage, plant trees, use renewable energy, and decrease overall energy consumption through individual lifestyle changes.
Global warming
Global warming is caused by human activities that increase greenhouse gases like carbon dioxide, trapping heat in the atmosphere. The main causes are burning fossil fuels for transportation, electricity, and meat production as well as deforestation. This is raising Earth's temperatures and sea levels and causing more extreme weather, threatening many species. While a greenhouse effect is natural, human actions have made it worse. Solutions include transitioning to renewable energy, sustainable forestry and agriculture, energy efficiency, and reducing meat consumption. All individuals must work to improve the environment.
A presentation on impact of human activities on weather and climate
This document is a report by students in New Delhi analyzing changes to weather and climatic conditions in nearby areas and the human factors responsible. It discusses how human activities like changed lifestyles, deforestation, agriculture, energy production and waste generation are contributing to climate change by releasing greenhouse gases and modifying the environment. The impacts of climate change include rising sea levels, worsening health issues, more severe droughts and melting ice sheets. The report urges actions like preserving forests, transitioning to renewable energy and obtaining a global climate deal to address this urgent problem.
Help Save The Rainforest
The document discusses the importance of saving the rainforest and provides ways individuals can help. It notes that the rainforest contains much wildlife and plants, provides medicine and resources for people, and helps regulate the climate and reduce global warming. Individuals can help by recycling, planting trees, using less water, and saving paper bags. The rainforest absorbs carbon dioxide, spans a small area of the planet between the tropics, and receives large amounts of rainfall each year.
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Global Warming
- 2. Global warming refers to the increase of the earth's average surface temperature,due to a build-up of greenhouse gases in the atmosphere. Due to the observerd incrase in anthropogenic greenhouse gas concentrations via an enchange greenhouse effect. Natural phenomen such as solar variation combined with volcanoes probably had a small warming effect from pre-industrial times.
- 3. Natural gás, coal, petroleum.. Global warming causes broader changes, including glacial melting Arctic shrinkage, and worldwide sea level rise, changes in the amount and pattern of frequency and intensity of extreme weather events. Other effects may include changes in agricultural yields, addition of new trade routes summer stream flows species extinctions.
- 4. Water vapor, methane, ozone, carbon dioxide. 6. Name should we do about global warming? Using less energy, recycling, save water, using public transports, using hybrid cars, using solar panels on our houses.
- 5. 7. My biome is Rain forests . This biome is located in Near the Equator, and a world biome map showing this biome can be found at : http://www.d.umn.edu/~pask0020/educ5413/mywebquest/Rainforest%20map.jpg 3. The average yearly rainfall of my biome is Rainfall between 1750-2000mm(68-78 inches) and the average temperature is not higher than 93ºF(34ºC) and not below than 68ºF(20ºC)
- 6. Other interesting or unique facts or features are : The average humidity is between 77% and 88%. In monsoonal areas, there is a real day season. Almost all rain forests lie near the equator. Rain forests, now cover less than 6% of earth's land surface. Scientists estimate that more than half or all the worlds plant and animal species live in tropical rain forest, tropical forest produce 70% of earth's oxygen.
- 7. 10. Plants that are common to my biome are: Bamboo, bengal, bougainvillea, curave, coconut tree, durian, gambu, kapok tree, mangrove forests, strangler figs, tualang.. Pictures of plants can be found at: www.srl.caltech.edu/personnel/krubal/rainforest/edit560s6/www/plants.html
- 8. 11. Animals that are common to my biome are: Orangutan, toucan, gorilla, anaconda, piranha, parrot, Bengal tiger, jaguar, common chimpanzee, harpy eagle, blue morph butterfly... Pictures of animals can be found at : http://room42.wikispaces.com/rainforest+animal