We are already irrevocably committed to major global change in the years ahead. The elevated concentrations of greenhouse gases produced to date by human activities will persist for many centuries and will slowly change the climate of the earth, regardless... Global Warming: Hearings Before the Subcommittee on Energy and Power of the ... - Page 13 by United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy and Power - 1989 - 177 pages Full view -
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