Instrumental measurements, proxy data, climate model projections

Full disk view of Earth from space with overlay of global temperature time series
August 12, 2020

Record-high sea level, noteworthy extreme weather, and rising levels of carbon dioxide in the atmosphere and oceans are just a few of the hundreds of highlights from Earth's annual checkup. 

 

August 4, 2020

Join three heat experts to talk about how we map, monitor, and lessen the impacts of urban heat islands.

Map of the CONUS showing temperature patterns in May 2020
June 9, 2020

While May 2020 precipitation deficits drew parts of the West deeper into drought, parts of the Upper Midwest, Ohio Valley, and the Southeast got soaked. 

Pattern in coral
January 23, 2014

NOAA is an agency that enriches life through science. From the surface of the sun to the bottom of the ocean, NOAA advances scientific understanding of Earth's environment, climate, and weather.

Intermountain Power Plant
January 23, 2014

Yes, human activities have increased the abundance of heat-trapping gases in the atmosphere, which a large majority of climate scientists agree is the main reason for the 1.5°F (0.85°C) rise in average global temperature since 1880.

Map depicting length of heat wave season
October 4, 2018

From heat waves to heavy rain, the National Climate Assessment's recently updated collection of indicators shows how climate is changing.

Pages