Is the Ozone Layer Recovering?
February 17, 2013 | European Space Agency
"Satellites show that the recent ozone hole over Antarctica was the smallest seen in the... Mapping Ozone Sources
January 28, 2013 | NASA
"A new NASA-led study finds that when it comes to combating global warming caused by... Antarctic Ozone Hole Second Smallest in 20 Years
October 30, 2012 | NASA
"The average area covered by the Antarctic ozone hole this year was the second smallest... Arctic Sea Ice and Atmospheric Chemistry
March 7, 2012 | NASA
"Drastic reductions in Arctic sea ice in the last decade may be intensifying the chemical... Exporting North Slope Gas to Asia?
October 7, 2012 | The Hill
Lots of natural gas on Alaska's North Slope does not have a route to market.... Three Waves of Native Americans
July 17, 2012 | BBBC
The largest survey of Native American DNA supports the idea that North America was settled... Fast Cycling Pollutants and Sea Level Rise
April 17, 2013 | National Science Foundation
"Scientists found that reductions in four pollutants that cycle comparatively quickly through the atmosphere could... Asia: The World’s Leading Petroleum Consumer
March 6, 2012 | Energy Information Administration
Asia is now the world's largest petroleum-consuming region. Between 1980 and 2010 Asian demand increased... | 
