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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Global Temperature Record Broken for Third Consecutive Year

The planet’s average surface temperature has risen about 1.1°C (2.0°F) since the late 19th century.

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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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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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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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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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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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Global Surface Temperatures in 2005

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Another Hot July

July 2017 was statistically tied with July 2016 as the warmest month in 137 years of modern record-keeping.

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Record Warmth in February

Almost all land surfaces on the planet experienced unusually warm temperatures.

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