... major reductions in greenhouse gasses are needed in order for the human race to avoid economic and ecological disaster. In 1993 President Clinton endorsed and agreement from the 1992 Rio de Janeiro Earth Summit to cut U.S. greenhouse gas emissions to 1990 levels by 2000 (Sperling 1996). In 1994, meeting that goal by the year 2000 would require a reduction of emissions by ... ...

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