Source Source Source Source Source Source Source http://svs.gsfc.nasa.gov/vis/a000000/a004100/a004135/ Source Source Source Source Source Source Source Source Source NASA Animation Source Source Source Source Download the video Source Source Source Source Source Source Source http://svs.gsfc.nasa.gov/vis/a000000/a004100/a004135/ Five-Year Global Temperature Anomalies from 1880 to 2013 Source Download this video Source Source NASA's Goddard Institute for Space Studies Source Source Source Source Source Source Source Source