climate change


Maps and GIS

On Sept. 19, 2014, the five-day average of Antarctic sea ice extent exceeded 20 million square kilometers for the first time since 1979, according to the National Snow and Ice Data Center. The red line shows the average maximum extent from 1979-2014. Credits: NASA's Scientific Visualization Studio/Cindy StarrOn Sept. 19, 2014, the five-day average of Antarctic sea ice extent exceeded 20 million square kilometers for the first time since 1979, according to the National Snow and Ice Data Center. The red line shows the average maximum extent from 1979-2014. Credits: NASA's Scientific Visualization Studio/Cindy Starr

Antarctic Sea Ice Growth: A Climate Change Paradox

Over the course of the last few years, the growth of Antarctica’s sea ice was well­ documented while the Arctic has experienced ice melt. Different accounts have been given for the paradox at Earth’s poles.