2018 Was the Fourth Warmest Year, Continuing Long Warming Trend

The past five years have been the warmest years in the modern record, and 18 of the 19 warmest years have occurred since 2000.

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2019 Was the Second Warmest Year on Record

The past five years have been the warmest of the past 140 years.

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Arctic Amplification

Temperatures are warming faster in the Arctic than anywhere else in the world. Here’s why.

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Global Warming Mapped

The average global temperature has increased by about 0.8°Celsius since 1880, and two-thirds of the warming occurred after 1975.

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2014 Was the Warmest Year in the Modern Record

Separate analyses by NASA and NOAA agree that the past year was hotter than any other since 1880. The ten warmest years in the instrumental record, with the exception of 1998, have now occurred since 2000.

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Global Surface Temperatures in 2005

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“Warming Hole” Over the Eastern U.S. Due to Air Pollution

Sulfates kept the eastern United States from warming as much as other regions, but cleaning up the air has changed the equation.

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2015 Was the Hottest Year on Record

Long-term climate change got a boost from the developing El Niño and obliterated previous records.

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Different Records, Same Warming Trend

Four independent records are unequivocal: the world has warmed since 1880, and the past decade has been the warmest on record.

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2013 Continued the Long-Term Warming Trend

The GISS Land-Ocean Temperature Index put 2013 into the top ten warmest years in the global record, even though temperatures in the United States were not much warmer than usual.

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Long-Term Global Warming Trend Continues

2012 ranks among the ten hottest years on record; all ten years have occurred since 1998.

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Mapping the Hot Summer

July 2012 was the world’s 4th hottest July recorded since 1880.

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2017 Was the Second Hottest Year on Record

Globally averaged temperatures were 0.90 degrees Celsius (1.62 degrees Fahrenheit) warmer than the long-term mean.

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2006 Fifth-Warmest Year on Record

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Antarctic Warming Trends

For a long time, it seemed that Antarctica was immune to global warming. But a new analysis of satellite and weather station data has shown that Antarctica has warmed on average since 1957.

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Rising Temperatures: A Month Versus a Decade

April to September 2014 was the hottest spring and summer in 130 years of recordkeeping. Here’s why that matters, and why it doesn’t.

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Temperature Data Shows Warming in 2001

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