Revelations of an Antarctic Ice Core
September 17, 2013 | National Science Foundation
"Analysis of an ice core [...] reveals that warming in Antarctica began about 22,000 years ago, a few thousand years earlier than suggested by previous records. This timing shows that West Antarctica did not "wait for a cue" from the Northern Hemisphere to start warming, as scientists had previously supposed." Quoted from the National Science Foundation press release.
Ancient Eruptions and Global Warming
February 21, 2013 | Climate Central
An article on the ClimateCentral.org website explores how massive volcanic eruptions in the geologic past have caused episodes of global warming.
Black Carbon and Climate Change
January 29, 2013 | American Geophysical Union
"Black carbon is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated." Quoted from the American Geophysical Union press release.