Death cap mushrooms look harmless, but are responsible for the majority of the world's mushroom-related deaths. California officials say 21 people have been sickened in recent weeks, one fatally.

(Image credit: William West)

In Alaska, a federal grant that funded seismic data collection in order to warn people about tsunamis is being cancelled. Experts say cuts like this could make tsunami warnings less reliable.

An environmental group is leading a call for Congress to place a moratorium on the construction of new data centers used to power artificial intelligence.

After a water plant in Louisville, Kentucky, saw a spike in a certain "forever chemical," their quest for answers led them hundreds of miles away.

India's olive ridley turtle numbers appear to have rebounded after years of patchwork efforts to stem their decline. Can it last?

(Image credit: Diaa Hadid)

Even amid rising grocery prices and increased sensitivity to environmental issues, Americans still trash once-edible food at alarming rates.

(Image credit: Keren Carrion)

Dozens of countries had called for a clear "roadmap" to transition away from the use of coal, oil and natural gas. The U.S. did not participate in the negotiations.

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Officials say a fire that spread through pavilions being used for U.N. climate talks in Brazil has prompted evacuations on the next-to-last day of the conference.

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The Interior Department proposed reviving a suite of changes to Endangered Species Act regulations first made during the Republican's first term. Those changes were reversed under former President Biden.

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Scientists are increasingly concerned that the planet is headed for massive, irreversible changes due to global warming. In some cases, those changes have already begun.

(Image credit: Ryan Kellman)

Middle-class families are struggling to afford insurance in southwest Florida. Realtors say a wave of foreclosures could be coming.

(Image credit: Ryan Kellman)

Well-meaning city dwellers forgo permits and official procedure to rewild urban areas across the country. In downtown LA, artist Doug Rosenberg is trying to push the grassroots movement forward.

(Image credit: Courtney Theophin/NPR)

The vast Ohio River Basin is poised for a multi-year ecological restoration after years of industrial pollution, but only if Congress decides to fund it.

Some of the country's highest home insurance prices are in the central U.S., a region generally considered to be protected from climate-driven disasters such as wildfires and hurricanes.

(Image credit: Rebecca Hersher)

Home insurance is getting less affordable, and less available, as insurers raise prices and pull back from areas with extreme weather. That's forcing families across the country to make tough choices.

(Image credit: Ryan Kellman)

The Trump administration is using different tactics that his predecessor to get the states the share the Colorado river to agree how to do it in a climate changed world.

The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

(Image credit: Charlie Riedel)

California wildlife officials have been working to mitigate the impact of the state's rebounding wolf population on its ranchers. The Northern California wolves that were euthanized had become dependent on cattle for food.

A vineyard in Virginia has turned pest control into a pastime, arming visitors with electric fly swatters to protect its vines from lanternflies. Randi B. Hagi with member station WMRA reports on its fly swatting competition.

In Brazil's coffee-producing areas, more than 42,000 square miles of forest have disappeared over about two decades, says Coffee Watch. Deforestation leads to drought, which harms crop yields.

(Image credit: Evaristo Sa)