Arctic Ice & Aerosols

Scripps Institute of Oceanography, Brookhaven National Laboratory, US Dept of Energy
Author: Dan Lubin
Where published: Nature Magazine

Enhanced aerosol concentrations increase the amount of thermal energy emitted by many Arctic clouds... The Arctic is showing the first unmistakable signs of climate warming caused by human activities, in the form of rapidly retreating and thinning sea ice
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Greenhouse Gas Levels

University of Bergen
Author: Thomas Stocker

Current levels of the greenhouse gases, carbon dioxide and methane, are higher now than they have ever been in 650,000 years
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