![]() ![]() ![]() The maps above show temperature anomalies in five-year increments since 1880. The majority of the warming has occurred since 1975, at a rate of roughly 0.15 to 0.20☌ per decade. ![]() While natural variability plays some part, the preponderance of evidence indicates that human activities-particularly emissions of heat-trapping greenhouse gases-are mostly responsible for making our planet warmer.Īccording to an ongoing temperature analysis led by scientists at NASA’s Goddard Institute for Space Studies (GISS), the average global temperature on Earth has increased by at least 1.1° Celsius (1.9° Fahrenheit) since 1880. Air temperatures on Earth have been rising since the Industrial Revolution. ![]()
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