Global & Disaster Medicine

NASA: 2018 was Fourth Warmest Year in Continued Warming Trend

NASA GISS

Global map of temperature anomalyOne frame of an animation of the GFWED Fire Index

Global map of surface temperature anomaly for the period 2005-2014

Colorbar showing range of values in global map

According to an ongoing temperature analysis conducted by scientists at NASA’s Goddard Institute for Space Studies, the average global temperature on Earth has increased by about 0.8° Celsius (1.4° Fahrenheit) since 1880. Two-thirds of the warming has occurred since 1975, at a rate of roughly 0.15-0.20°C per decade.

 


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