August 14, 2015

Plants on land have helped slow global warming by capturing nearly a quarter of the carbon dioxide that human activities release in an average year. But where is it all going?

June 17, 2015

Global warming is one symptom of the much larger problem of human-caused climate change.

May 28, 2015

On the afternoon of May 23, Alaska set a new statewide record for the earliest day in the year with a temperature in the 90s.

Montzka in a snow pit in Antarctica
May 18, 2015

Some of the chemicals that replaced ozone-harming CFCs are long-lived greenhouse gases. At NOAA's lab in Boulder, Colorado, chemist Steve Montzka leads the effort to monitor the concentration of CFC-substitutes and their potential impact on global warming.

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