News & Features

If you missed our August 29 tweet chat, here's the transcript. Read what the fire and smoke experts had to say about the FIREX-AQ field campaign and its mission to study what's in the smoke from wildfires and agricultural burning. 

On Friday, July 19, four heat health experts answered questions in an extreme heat tweet chat hosted by Climate.gov. We've posted a transcript of their responses. 

Despite a run-in with an iceberg and the world’s worst sailing conditions, Saildrone 1020 successfully completed its 13,670-nautical-mile journey around Antarctica, and indicated that parts of the Southern Ocean emit carbon dioxide in winter.

Looking for a sustainable alternative to harvesting wild seaweed, a small California company partnered with a commercial oyster grower to test-farm native seaweeds. The crop reduced pollution and buffered local ocean acidification.

With specially designed sensors mounted on their own cars, volunteers in each city will drive pre-planned routes, recording heat and humidity as they go. Scientists will stitch their results into a detailed map showing the hottest parts of each city. 

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.