US greenhouse gas emissions lower in 2006


Overall, US greenhouse gas emissions were 1.1 percent lower during 2006 than the previous year, according to the latest annual report from the US Environmental Protection Agency, just released.

Emitted by the burning of the fossil fuels coal, oil and gas for power, manufacturing and transportation, greenhouse gases reduce the loss of heat into space, raising global temperatures.

The agency says that emissions of the main climate warming gas - carbon dioxide - decreased in 2006 because Americans burned less fossil fuels and used less electricity than they did in 2005.

Compared to 2005, the winter of 2006 was warmer, which decreased consumption of heating fuels and the summer was cooler, which reduced demand for electricity, the EPA said.

Fuel consumption for transportation went down because of rising fuel prices, the agency stated.

Finally, the increased use of natural gas and renewables in the electric power sector also contributed to the lowering of carbon dioxide emissions.

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