Arctic warms to highest level yet as researchers fear tipping points
A NASA animation showing regional temperature changes on a map of the Earth from 1880-2011. On the map, blues represent temperatures lower than baseline averages, while reds indicate temperatures higher than the average. As the 131 years pass, the map turns from bluish-white to increasingly yellow and red. Notice the Arctic over the last 30 years. Caused by the burning of fossil fuels, deforestation, agricultural practices, and other human impacts, climate change has currently raised global temperatures 0.8 degrees Celsius (1.44 degrees Fahrenheit) higher than the Industrial Revolution average.