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Search HomeworkSpot or Google |   Great Must-See sites   |   Read Articles and Tips | Find answers | Did you know?  
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HomeworkSpot > Global Warming

Global Warming

Global warming is the process in which heat from the sun is trapped in the earth's atmosphere as a result of pollution. Scientists think that the Earth's surface temperature has risen 1 degree Fahrenheit over the last 100 years. One degree over many years may not seem like much, but global warming can be devastating to our planet.

"Carbon dioxide pollution spewing from our cars and power plants is building up in the atmosphere and causing global warming," said Alex Veitch, a conservation organizer for the Sierra Club's global warming and energy program. "Scientists predict that global warming will damage our coasts and crops, encourage the spread of infectious diseases and lead to the extinction of many plant and animal species."

The Environmental Protection Agency's Global Warming Site outlines the many effects of global warming, including climate change, expansion of deserts and rising sea levels. Young kids can visit the EPA's Explorers Club for a simple explanation of global warming.

The effect of global warming on humans is also dramatic. The risk of internal health problems increases with rapid climate change. The EPA explains that higher temperatures can injure people with heart problems because their cardiovascular systems will have to work harder. Global warming increases ozone in our atmosphere, which can cause lung damage, the EPA says.




Knowledge about climate change is a major way people can battle environmental pollution. For more information about global warming, check out these sites geared toward older students:

What You Can Do

Global warming is a huge problem, but there are some simple things you can do to help prevent it.

The Sierra Club's Global Warming Campaign outlines government energy legislation and explains how to express your view to your local representatives. Browse the list of "Ten Things You Can Do to Stop Global Warming" to learn more about conserving energy. Check out the group's Clean Car Campaign, which explains how getting more mileage per gallon could help the environment.

"The biggest single step to curbing global warming is to raise miles per gallon standards for cars, sport utility vehicles and light trucks," Veitch said. "Making SUVs and other light trucks get the same mileage as cars would save 240 million tons of carbon dioxide per year by the end of the next decade. Young people can also promote energy efficiency and clean wind and solar power in their schools and families."

Did you know that pollution releases 60 million tons of carbon dioxide daily? That's a figure provided by the Environmental Defense Fund. At this site you can send letters to President George W. Bush and Vice President Dick Cheney asking them to actively participate in fighting global warming.




   --- T. Beecham
---ed. A. Crawford

 
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