American Eunice Foote was an amateur scientist and women's rights pioneer from the mid-1800s whose experiments foreshadowed the discovery of Earth's greenhouse effect.
The devastating floods in the Missouri and Mississippi basins aren't the end of the problems caused by the wet spring in 2019. Fertilizer overload from high river runoff is forecast to lead to a very large dead zone in the Gulf of Mexico later this summer.
Antarctica has not responded as quickly to climate change as the Arctic, but Earth’s southernmost continent is still losing ice. Ice shelf disintegration and glacier acceleration in Antarctica could raise global sea level significantly, and the effects would be keenly felt along U.S. coastlines.
NASA ice expert Claire Parkinson confirms that global sea ice coverage has continued its overall downward trend since her original analysis was published in 2015.
Ko Barrett, a Vice Chair of the IPCC, answers questions about the group's recent special report on what 1.5°C of global warming will mean for people, ecosystems, and economies.
Use a slider to compare satellite images of Washington, DC, and Baltimore, MD, with maps of afternoon temperatures to see the hottest and coolest parts of the city on a late summer day.
Wildfires are burning larger and more intensely than before, emitting smoke that poses a health risk to people. FIREX will provide information about what chemicals smoke emits in order to keep people healthy.
A lack of persistent sea ice in waters around the Bering Strait this winter disrupted travel, damaged roads and other infrastructure, and prevented traditional hunting and fishing in several coastal communities in western Alaska.
Once at odds, a climate expert and botanist who studies ancient plants later teamed up to improve understanding of one of the warmest periods in Earth history.