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建立人际资源圈Gloval_Warming
2013-11-13 来源: 类别: 更多范文
Gloval Warming
The earths climate is predictable to change because human activities are altering the chemical position of the atmosphere through the buildup of greenhouse gases ------ primarily carbon dioxide, methane, and nitrous oxide. These gases have the heat-trapping property. Rising global temperatures are expected to threaten many types of ecosystems. Through the article I picked up, I want to explain what is the global warming, what are the impacts of it, and what should we do to solve this problem.
First of all, energy from the sun drives the earthfs weather and climate; in turn, the earth radiates energy back into space. According to the textbook, gthe tendency of carbon dioxide, methane, and other gasses to trap solar radiation is called the greenhouse effect,h (Asking About Life, p.555). Heat is somewhat like the glass panels of a greenhouse. Without this natural greenhouse effect, temperature would be much lower than they are now, and life as known today would not be possible.
However, problems may arise when the atmospheric concentration of greenhouse gases increases. The combustion of fossil fuels and other
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