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Associated PressUS projects 4 percent emissions rise by 2012 to UN
By John Heilprin
Associated Press Writer / June 1, 2010
UNITED NATIONS—In its first major climate report to the United Nations in four years, the United States reported Tuesday that its projected climate-warming greenhouse gases will grow by 4 percent through 2020.
The first such report submitted under the Obama administration includes a 1.5 percent rise in carbon dioxide emissions, the main gas from fossil fuel burning blamed for global warming.
But it's the culpability of hydrofluorocarbons, or HFCs -- promoted worldwide to replace chemicals that harm the globe's ozone layer -- that gets a starring role.
Though HFCs account for only about 2 percent of the globe's climate-warming gases, their share is expected to grow by up to a third of all greenhouse gases by mid-century.
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