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U.S. Global Warming Emissions in Biggest Decade Drop

by Tom Doggett
Reuters - December 24, 2002

WASHINGTON -- U.S. greenhouse gas emissions linked to global warming fell by 1.2 percent last year, the largest decrease in a decade, due in part to slow economic growth and a milder winter, the government said recently.

Last year's decline was in sharp contrast to the average 1.3 percent annual growth rate in U.S. emissions from 1990 to 2000 and was twice the level of the only other drop since 1990 a 0.6 percent decline in 1991 according to a report from the Energy Information Administration (EIA).

Still, U.S. greenhouse gas emissions in 2001 were 11.9 percent higher than in 1990, the EIA said.

The Energy Department's analytical arm said U.S. greenhouse gas emissions last year, including carbon dioxide, methane and nitrous oxide, totaled 1,883 million metric tons, down from 1,907 million metric tons the year before.

The EIA said the decline in emissions could be attributed to several factors:

Emissions of carbon dioxide, which account for 84 percent of total U.S. greenhouse gas emissions, decreased by 1.1 percent in 2001 to 1,579 million metric tons, the EIA said.

President Bush withdrew the United States last year from the international Kyoto treaty that seeks to reduce greenhouse gas emissions among industrialized countries, fearing that the treaty's requirements would hurt the U.S. economy. Instead, the Bush administration said it wants to conduct years of further research on the causes of global warming and in the meantime will promote voluntary efforts among U.S. industries to reduce their greenhouse gas emissions.

The European Union and Japan, which have adopted the Kyoto treaty, have criticized the Bush administration for not doing more to cut U.S. emissions. The United States is the world's biggest energy consumer and also its largest emissions producer.

There is increasing interest in promoting U.S. forests and agricultural lands as absorbers of carbon emissions. The EIA said U.S. forests absorb about 246 million metric tons of carbon annually, equal to 15.6 percent of U.S. carbon dioxide emissions.

There has been a reversal of the extensive deforestation of the United States that occurred in the late 19th and early 20 centuries. Since then, millions of acres of formerly cultivated land have been abandoned and returned to forest, absorbing carbon on a large scale, the EIA said.

Related Pages:
Bad Economy Causes Drop in Greenhouse Gases by H. Josef Hebert, Associated Press, 2/19/3

Tom Doggett, Reuters
U.S. Global Warming Emissions in Biggest Decade Drop
Reuters December 24, 2002

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