Includes natural changes (cyclic variability, volcanic eruptions, solar output) and human-caused changes (due to GHG emissions and land use changes)

September 2020 global temperature anomaly
October 16, 2020

September 2020 was the hottest September on record for the globe, continuing a sweltering year. 

August 4, 2020

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

June 24, 2020

Join  three education experts to talk about how engaging, empowering and educating others can lead to powerful climate action.

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 of temperature patterns across Alaska with red for yellow, orange, and red for warm temperatures
July 16, 2019

Extreme heat in Alaska in early July 2019 contributed to fire activity and terrible air quality. 

April 10, 2018

El calentamiento global es un síntoma del problema mucho más grande del cambio climático causado por los humanos.

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