An empty room is pictured in a concrete house in Matam, Senegal. Many families don't have electricity nor the means to own a fan or air conditioning to help quell the intense heat at night, temperatures can stay around 35 degree Celsius throughout the night. John Wessels/AFP via Getty Images hide caption
Wildfire smoke covered huge swaths of the U.S. in 2023, including places like New York City, where it has historically been uncommon. New research shows the health costs of breathing in wildfire smoke can be high. David Dee Delgado/Getty Images hide caption
A set of four tubes known as the "river outlet works," pictured on Nov. 2, 2022, could soon be the only way for water to make it through Glen Canyon Dam. Recently-discovered damage to those tubes has raised questions about their role going forward. Alex Hager/KUNC hide caption
Record levels of heat in the ocean are causing a worldwide mass bleaching event on coral reefs, as seen here on the Great Barrier Reef. Scientists are working on creating more heat-resistant coral to help restore reefs. Veronique Mocellin /AIMS hide caption
University of Miami Marine Sciences student Lauren Hayes with her catch, a 7 or 8 pound mutton snapper, which was released and returned to its reef habitat more than 100 feet below the surface. Greg Allen/NPR hide caption
Author Cristina Henriquez next to the cover of her new novel, The Great Divide. Brian McConkey/Ecco hide caption
An image provided by the National Park Service shows two men who were caught on video earlier this month toppling rock formations near the Redstone Dunes Trail. Screenshot by National Park Service hide caption
Scientists Carly Biedul, Coordinator at The Great Salt Lake Institute, Bonnie Baxter, Director at The Great Salt Lake Institute, and Heidi Hoven, Senior Manager at the Gillmor Sanctuary and Audubon Rockies, showed us around a bird sanctuary where many species of birds and insects the the birds feed on are affected by the recession of The Great Salt Lake. Lindsay D'Addato for NPR hide caption
What's behind the EV culture war? Plus, former child stars including Drake Bell come forward about abuse in 'Quiet on Set.' FREDERIC J. BROWN/AFP via Getty Images/Mark Mainz/Getty Images hide caption
The Washington Monument is visible behind a cherry tree affectionally nicknamed 'Stumpy', March 19, 2024 in Washington. Andrew Harnik/AP hide caption
EPA is limiting PFAS chemicals in drinking water in the U.S. Rogelio V. Solis/AP hide caption
Robert Taylor lives about a half-mile from Denka Performance Elastomer, a plant affected by the EPA's new rule, in Reserve, Louisiana. Halle Parker/WWNO hide caption
Smoke rises from a derailed cargo train in East Palestine, Ohio, in February of 2023. DUSTIN FRANZ/AFP via Getty Images hide caption
A long exposure photo of Firefly petunias, which are genetically modified to produce their own light through bioluminescence Sasa Woodruff/Boise State Public Radio hide caption
Riverside County Sheriff Chad Bianco says legalization has increased incentives for unlicensed cannabis farms and associated violent crime. Martin Kaste/NPR hide caption
Activists from Extinction Rebellion, left and center, protest during a performance of An Enemy of the People on Broadway, starring Jeremy Strong, right. Extinction Rebellion NYC hide caption
Dead fish washed ashore in a red tide in 2018 in Sanibel, Fla. Joe Raedle/Getty Images hide caption
Thousands of young salmon died after the truck crash, unable to reach nearby Lookingglass Creek in northeast Oregon. U.S. Fish and Wildlife Service hide caption
A woman and her child stand in front of a landscape denuded by gold mining in the southern Peruvian jungle in the Madre de Dios region. This picture is from 2015. Today, there's an effort to plant saplings to revive the forest. Ernesto Benavides/AFP via Getty Images hide caption
This combination of 2003 and 2006 photos shows a northern spotted owl, left, in the Deschutes National Forest near Camp Sherman, Ore., and a barred owl in East Burke, Vt. Don Ryan Steve Legge/AP hide caption
During spawning corals release their eggs and sperm, filling the water like confetti, which combine to create the next generation of reef builders. Marie Roman/AIMS hide caption