The document presents perspectives from both sides of the global warming debate. It provides quotes and opinions from scientists who believe human-caused global warming is a serious threat, as well as quotes from scientists who are skeptical of this view or believe natural factors are causing climate changes. The document does not take a clear stance and instead aims to show there are differing views among experts on the issue.

1. The great global warming trial. Will you be an alarmist or a skeptic?

2. GLOBAL WARMING ALARM!

3. Global warming is a natural phenomenon, and there is nothing realistic that mankind can do to significantly change the global temperature.

8. Media Research Center

24. carbon dioxide graph by Robert Simmon, NASA temperature graph from NASA Goddard Institute for Space Studies “ It is the scientific basis for the whole anxiety we have about climate change caused by human beings."

25. United Nations Intergovernmental Panel on Climate Change (IPCC)

31. Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, TN

32. Keigwin, L. D. Woods Hole Oceanographic Institution, Woods Hole, MA and MIT

37. The total human contribution to the greenhouse effect is around 0.28%.” Dr. Wallace Broecker, Columbia University % of All Greenhouse Gases % Natural % man made Water vapor 95.000% 94.999% 0.001% Carbon Dioxide (CO2) 3.618% 3.502% 0.117% Methane (CH4) 0.360% 0.294% 0.066% Nitrous Oxide (N2O) 0.950% 0.903% 0.047% Misc. gases ( CFC's, etc.) 0.072% 0.025% 0.047% Total 100.00% 99.72 0.28%