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Soot is second biggest man-made contributor to global warming
2013-01-16 00:02:00| Climate Ark Climate Change & Global Warming Newsfeed
Mongabay: Soot is the second largest man-made contributor to global warming, according to a comprehensive new study published in the Journal of Geophysical Research: Atmospheres. The research effectively doubles the estimate of soot's direct warming influence on climate. Soot is produced from the burning of diesel fuel, coal, charcoal, and wood. "Accounting for all of the ways black carbon can affect climate, it is believed to have a warming effect of about 1.1 Watts per square meter, approximately two-thirds...
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Federal report links man-made emissions to 'unambiguous' changes in U.S. life, landscape
2013-01-12 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Greenwire: Man-made climate change is already altering the way Americans live and work, according to a new federal report that projects the country could warm another 5-10 degrees Fahrenheit by the end of this century if emissions of heat-trapping gases continue to rise. "Evidence for climate change abounds, from the top of the atmosphere to the depths of the oceans," says the report, the third national assessment of climate change impacts in the United States. "The sum total of this evidence tells an unambiguous...