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Climbing Mount Everest: Black Soot on White Snow

2014-06-23 23:43:00| Climate Ark Climate Change & Global Warming Newsfeed

Scientific American: Many thanks to all the readers who have followed this blog over the past two months. I have just returned to Colorado after having spent nearly a year abroad doing research in the Himalayas. The expedition was challenging in many ways, including the unpredictable weather, which forced changes in field plans, sometimes at the last minute. Back in October, for example, a large cyclone off the coast of India made its way across the continent. When it slammed up against the Himalayas, more than a meter...

Tags: black white snow mount

 

Soot and Dirt Is Melting Snow and Ice Around the World

2014-06-10 15:16:00| Climate Ark Climate Change & Global Warming Newsfeed

National Geographic: It's easy to imagine new snow so bright that we must avert our eyes even while wearing sunglasses. What scientists are discovering, though, is this brilliant whiteness of snow and ice is increasingly being dimmed by air pollution. From Greenland's ice sheets to Himalayan glaciers and the snowpacks of western North America, layers of dust and soot are darkening the color of glaciers and snowpacks, causing them to absorb more solar heat and melt more quickly, and earlier in spring. This trend...

Tags: the world ice snow

 
 

Obama administration limits on soot pollution upheld by appeals court

2014-05-10 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

LA Times: The Obama administration on Friday scored its third major legal victory on air pollution in less than month when a federal appeals court rejected an industry challenge to its latest health standards for fine particulate matter, or soot. The unanimous ruling by a three-judge panel of the the U.S. Court of Appeals for the District of Columbia Circuit found the U.S. Environmental Protection Agency was within its discretion in 2012 when it tightened limits on lung-damaging soot. The National Assn....

Tags: administration court limits pollution

 

Study finds soot particle morphology significantly affected by driving conditions and vehicle age, type

2014-03-03 20:30:27| Green Car Congress

Tags: type conditions age study

 

Study finds butanol-gasoline blends effective to control soot from CI engines under Low Temperature Combustion

2014-02-03 12:30:23| Green Car Congress

Tags: control low study effective

 

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