Many scientists believe that the human race is now involved in an experiment of unprecedented importance to the future life on this planet, involving nothing less than the global climate. Change in global climate may be taking place, mainly because of burning, by humans, of large amounts of fossil fuels- coals, oils and natural gas. When these fuels are consumed, carbon ,which are accumulated in them over millions of years, is released into the atmosphere as a gas, carbon dioxide (Co2). Scientist are in general agreement that Co2 in the earth’s atmosphere has increased significantly since the Industrial Revolution: by about 30% between the mid-1700’s and the present. The increase will cause a warming of the earth’s surface called “global warming” or the “greenhouse effect”. Since Co2 in the atmosphere allows sunlight to reach the earth but traps some of the earth’s heat, preventing it from radiating back into space. Co2 is the largest contributor to possible......

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Title: Global Warming
Approximate Word Count: 474
Approximate Pages: 2 (250 words per double-spaced page)

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