Whites and blues indicate cooler temperatures, while oranges and reds show warmer temperatures. As you can see, global temperatures have warmed from mainly human activities as time has progressed.
These temperatures are based on data from NASA's Goddard Institute for Space Studies (GISS). Anomalies are defined relative to a base period of 1951 to 1980.
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Climate change; Environmental hazard; Greenhouse effect; Climate change; Ecology (environmental protection)
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