Environmental changes
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Over a five-year period from 1997-2002 in an unspecified country, there were several environmental changes. Greenhouse gas emissions decreased while water pollution reduced slightly. Use of unleaded petrol and liquid natural gas increased significantly over the period. Destruction of coral reefs remained unchanged. The three biggest environmental problems facing Egypt are coral reef destruction from oil pollution and global warming, desertification from soil water evaporation, and air pollution from greenhouse gas emissions. Solutions include restricting oil dumping, irrigation, reducing fossil fuel use, and afforestation.
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This document discusses the greenhouse effect and global warming. It defines the greenhouse effect as the trapping of the sun's heat by certain gases in the atmosphere like carbon dioxide. These gases allow visible light to pass through but absorb infrared light radiated from the Earth, causing the surface temperature to rise. The major greenhouse gases are carbon dioxide, methane, nitrous oxide, and halogen gases. The largest sources of greenhouse gas emissions are fossil fuel burning in power plants, factories, vehicles, and deforestation. The consequences of global warming include rising sea levels, worsening health effects, climate change disruption, and threats to ecosystems, agriculture, and biodiversity. Affluent countries are responsible for the majority of historical greenhouse gas emissions
Global warming and climate change
Global warming is caused by greenhouse gas emissions from human activities like burning fossil fuels. These gases trap heat in the atmosphere, causing temperatures to rise and driving climate change effects like rising sea levels and more extreme weather. As the climate continues to warm due to inaction, serious consequences are expected, including severe summer heat and drought as well as wetter, stormier winters and increased flooding. Political and individual responses aim to reduce emissions through alternatives to fossil fuels, conservation efforts, and raising fuel prices to encourage lower consumption.
evspresentation-150308000855-conversion-gate01 (1).pptx
Climate change, global warming, ozone layer depletion, nuclear accidents, and other issues are threatening our planet. Climate change refers to the long-term shifts in weather patterns due to human-caused emissions. It is altering weather globally and posing severe risks. Various human activities like fossil fuel use and deforestation are contributing to increased greenhouse gases and trapping of heat. To address these issues, actions are needed like transitioning to renewable energy and reducing emissions and pollution. Nuclear accidents can release radiation into the environment, posing health risks, while ozone layer depletion allows more UV rays to pass through, increasing skin cancer risks. Protecting the environment and addressing these threats will help save Earth and life.
Global warming - save earth ,causes and impacts
The document discusses the causes and impacts of global warming. It states that the main causes are the greenhouse effect, deforestation, and industrial emissions which increase greenhouse gases like carbon dioxide in the atmosphere. Some impacts of global warming include climate change, rising sea levels, water imbalances, and threats to human health. Prevention efforts include following pollution laws, reducing fossil fuel usage, planting trees, and promoting alternatives to reduce emissions.
Climate changes
This document discusses climate change, its causes, effects, and potential solutions. It outlines that climate change is a long-term change in temperature, precipitation and wind patterns ranging from decades to millions of years. It identifies both natural factors like volcanic eruptions and human activities like deforestation and fossil fuel emissions as causes. Effects of climate change mentioned include rising temperatures, changing rainfall patterns, rising sea levels and melting Arctic ice, as well as loss of wildlife species. Solutions proposed are improving public transportation, increasing efficiency and use of electric vehicles, reducing deforestation, and upgrading infrastructure to reduce greenhouse gas emissions.
Climate Change, Global Warming Ozone Layer Depletion Nuclear accidents & Holo...
Climate change poses serious threats and is caused by increasing greenhouse gases that trap heat. Actions are needed like improving energy efficiency, expanding renewable energy, and reducing deforestation to address it. Ozone layer depletion allows more UV radiation, increasing health risks, and was addressed by banning CFCs. Nuclear accidents can inadvertently release radiation and harm health, with their severity ranked on the International Nuclear Event Scale. Overall the document discusses the issues of climate change, ozone layer depletion, and nuclear accidents and their impacts.
Global environmental issues
Environmental Studies,Global environmental Issue, Green House Effect, Acid Rain, Global Warming,Depletion Of Ozone layer, climate Change, causes effects * remedies of global warming, acid rain and green house effect
Presentation4.pptx
The document discusses greenhouse gases and global warming. It lists the group members and describes how burning fossil fuels increases carbon dioxide levels in the atmosphere. This traps heat and warms the Earth's surface and lower atmosphere. It also notes that carbon dioxide levels have risen from 275 parts per million 100 years ago to over 375 parts per million currently. The largest source of greenhouse gas emissions is from burning fossil fuels for electricity, heat, and transportation. The effects of global warming include rising sea levels and temperatures.
Acid rain, ozone depletion, Global warming
it contains information that how air pollution causes acid rain, ozone layer depletion, global warming. their effects and action to be taken
Presentation1.pptx
The greenhouse effect occurs when gases in Earth's atmosphere trap heat from the sun, warming the planet's surface. The major greenhouse gases are water vapor, carbon dioxide, methane, and ozone. Carbon dioxide, methane, and water vapor contribute the most to the greenhouse effect. Climate change results from both natural factors like changes in Earth's orbit and human activities such as burning fossil fuels and deforestation, which increase greenhouse gas emissions. Burning fossil fuels produces large amounts of carbon dioxide, a significant greenhouse gas.
Climate change power point for Archibull
Climate change is caused by trapping carbon in the atmosphere from burning fossil fuels, which warms the planet. This causes glaciers to melt and sea levels to rise, bringing more extreme weather and impacting humans and animals. Bees spend more time cooling their hives than making honey and pollinating flowers due to the warmer climate. Fewer trees also means less carbon absorption, worsening air quality. While climate change poses risks, it may also benefit some countries through longer growing seasons and new shipping routes. Many nations are working to reduce fossil fuel usage to mitigate these issues.
GLOBAL WARMING
Global warming is caused by human activities like burning fossil fuels which increase greenhouse gases in the atmosphere and cause the planet to warm. The primary greenhouse gases are carbon dioxide, methane, nitrous oxide, and ozone. Impacts of global warming include rising sea levels, more severe weather events, worse wildfires, and damage to coral reefs. Some ways to stop global warming are reducing fossil fuel use, planting trees, reducing waste, conserving water, and recycling. The top carbon dioxide emitters are China, USA, India, Russia and Japan.
Global Warming.pptx
Global warming is caused by greenhouse gases that trap heat in the atmosphere. The main greenhouse gases are carbon dioxide, methane, nitrous oxide, and ozone. Burning fossil fuels, deforestation, farming, waste, mining, and overconsumption all contribute to increasing greenhouse gas emissions and global warming. Effects of global warming include more extreme weather, rising sea levels, and negative impacts on human health. To prevent further global warming, alternatives to fossil fuels like renewable energy must be adopted, energy and resource efficiency increased, sustainable transportation and infrastructure developed, and responsible consumption and recycling practices implemented.
Global Warming Basith
Global warming is caused by the release of greenhouse gases like carbon dioxide from human activities such as burning fossil fuels and deforestation. These gases trap heat in the atmosphere and cause the Earth's temperature to rise over time. Some effects of global warming include rising sea levels from melting ice caps, more extreme weather events, and potential changes to ecosystems. While no single person discovered global warming, the science shows that human pollution, especially carbon dioxide, is the main driver and urgent action is needed to reduce emissions and address the problem.
Quick guide-Environment
This document provides information about climate change and aims to answer four key questions: What is climate change? What does it mean for the world? How can I be sure? What can I do now? It defines climate change and distinguishes it from weather. It explains the greenhouse effect and how human activities have increased greenhouse gases and caused climate warming. It discusses the potential impacts of climate change on the environment, food/water supplies, health, and ecosystems globally and in the UK. It addresses skepticism around climate change science and models. The overall message is that climate change poses serious risks and individuals can take action to reduce emissions.
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Environmental changes
- 1. There have been a number of environmental changes in that country during the five- year period from the year 1997 to the year 2002. First, let us look at greenhouse gases, such as carbon dioxide . There was a large decrease in greenhouse gas emissions from 1997 to 2002 . Next , let us examine water pollution. Here there was a small reduction in water pollution over the five years. Next, let us look at the use of unleaded petrol. This increased a lot over the five year period. Next , the use of liquid natural gas (or LNG) in cars . From 1997 to 2002, this rose slightly.
- 2. Finally, let us look at the destruction of coral reefs. Over the five-year period there was no change. It remained exactly the same. The three most important environmental problems facing Egypt today , and possible solutions A. problems The three most important environmental problems facing Egypt are the destruction of coral reefs, desertification and air pollution. Coral reef destruction is mainly caused by oil pollution in the sea. It is also caused by global warming. Desertification is mainly caused by evaporation of water from soil .Air pollution can be caused by emission of greenhouse gases
- 3. B. Solutions Problem (1) : This problem can be solved by preventing ships from emptying their oil tanks into the sea .Global warming can be solved by a reduction in deforestation. Problem (2) : This problem can be solved by irrigating the land and preventing the soil from being eroded. Problem (3) : This problem can be solved by a reduction in combustion of fossil fuels. Global warming is a general increase in world temperatures. It is caused by increased amounts of carbon dioxide around the Earth. Greenhouse gases, mainly carbon dioxide and methane , trap heat above the Earth. They cause gradual warming of the air surrounding the Earth.
- 4. in the atmosphere The amount of CO2 is increasing because of the burning of fossil fuels. Tropical forests absorb increase global warming. As a result of global warming ice caps would melt and the sea level would rise. This may cause some parts of the world to flood . To prevent global warming, we must not destroy tropical forests. We must use less fuel and electricity. We should plant trees everywhere. We should reclaim the desert land. We should also recycle paper and aluminium.