April 2008
Intermediate to advanced
240 pages
4h 41m
English
Within 80 years, 30 million people in China are going to be under sea because of global warming and rising sea levels. We know it is going to happen, so we must look at ways of how to protect the area.
—Dr. Peter Walker, International Federation of Red Cross and Red Crescent Societies
Greenhouse gases consist primarily of carbon dioxide, but also include methane, nitrous oxide, ozone, and water vapor. They have been the Earth’s friend because they act like a “thermal blanket” to keep Earth at a livable temperature. When the sun’s radiant energy beats down on the planet, the Earth, in turn, wants to radiate this energy back into space. Greenhouse gases help trap some of that energy and, thereby, keep some of ...
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