Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them back.

Transportation Secretary Sean Duffy says he doesn't agree with federal subsidies for high-speed EV chargers, but that his department "will respect Congress' will" and release the funds.

(Image credit: Patrick T. Fallon)

For three years in a row, Juneau has had unprecedented flooding in August from a melting glacier. This year, officials built a levee to protect the city. It seems to have helped, but it's temporary.

A lawsuit challenging construction and operations of an immigration detention center in the Florida Everglades known as 'Alligator Alley' has wrapped up with several key questions unanswered.

(Image credit: Rebecca Blackwell)

Scientists have long wondered about how the potato's genetic lineage came to be. Now they know: The plants are a cross between tomatoes and a plant known as Etuberosum.

(Image credit: Natural History Museum, London)

Dredging waterways for navigation is a centuries-old practice, but this project is controversial because the mud being dug out of the channel is put into other parts of Mobile Bay.

(Image credit: Blake Jones for NPR)

In western Colorado, firefighters are up against windy, hot weather as they try to protect homes and infrastructure from a pair of lightning-caused wildfires.

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The second Trump administration has removed more climate and environmental data from websites in the first 100 days than the first administration, according to a new report

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The 14-day stoppage comes as a federal judge considers whether additional construction of the immigration detention facility in south Florida's Everglades is detrimental to the environment.

(Image credit: Andrew Caballero-Reynolds)

Canada is having its second worst wildfire season yet. Two scientists explain what a red air alert means and how anyone living in impacted areas can protect themselves.

Spotted lanternflies are appearing all over the East Coast. The invasive insects damage plants and trees. What should you do when you spot them?

The Trump administration has asked NASA staffers to draw up plans to end at least two satellite missions that measure carbon dioxide in the atmosphere, according to current and former NASA employees.

(Image credit: NASA TV)

The volcano may have been primed to erupt before the magnitude 8.8 quake pushed it over the edge.

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Last year, we reported how extreme weather events may be dwindling the future of chocolate. Just last week, we saw an inkling of that: The Hershey Company announced it would significantly raise the cost of its candy in the face of historically high cocoa prices. So, we're revisiting host Emily Kwong's conversation with Yasmin Tayag, a food, health and science writer at The Atlantic. They get into the cocoa shortage: What's causing it, how it's linked to weather and poor farming conditions and what potential solutions exist. Plus, they enjoy a chocolate alternative taste test.

About a month after announcing that it would stop sharing data that hurricane forecasters and scientists rely on, the Navy now says it will continue distributing it.

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Several factors help determine whether a given earthquake will generate a dangerous tsunami, but the process is not yet fully understood.

(Image credit: Connie France)

A new study from Oxford University finds that a common European songbird sometimes divorces its partner between breeding seasons.

(Image credit: P. Pleul)

One of the strongest earthquakes ever recorded struck Russia's Far East early Wednesday, sending tsunami waves into Japan and Hawaii and across the Pacific.

(Image credit: AP)

Mermaids, giants and huge eyes look up from the waters near Talamone, Italy. It's one fisherman's way of protecting fishing grounds from the damage of trawling nets. Artists' sculptures are sunk to the bottom of the Mediterranean sea along with concrete blocks to break the nets of the trawlers that devastate marine life.

The Trump administration proposes eliminating a 2009 finding that greenhouse gases endanger people. That would undermine the EPA's climate change regulations for power plants and cars.

(Image credit: Tierney L. Cross)