Two recently released animated NASA visualizations developed to support the forthcoming third US National Climate Assessment show projections of Earths temperature and precipitation patterns from today through the year 2100, revealing how low versus high emission scenarios would impact the planets climate.
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NASA's Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) is probing deep into the frozen lands above the Arctic Circle in Alaska to measure emissions of the greenhouse gases carbon dioxide and methane from thawing permafrost signals that may hold a key to Earth's climate future.
On May 9, 2013, the daily mean concentration of carbon dioxide in the atmosphere surpassed 400 parts per million (ppm) for the first time since measurements began in 1958 at Mauna Loa Observatory in Hawaii.