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Massive blooms of blue-green algae are choking Florida's waterways. On Lake Okeechobee, the Army Corps of Engineers is testing methods based on wastewater treatment to remove the green slime.

A Public Citizen report obtained exclusively by NPR shows the new administration has halted or tried to dismiss cases or investigations against at least 89 companies in the last month.

The "blood worm moon," so named for the reddish hue of its glow and the time of year it's occurring, will be visible in every U.S. state.

High tide floods – when water collects in streets or even seeps into buildings on days without rain – are increasingly common in coastal areas as sea levels rise, a new report warns.

Experts say a fifth of U.K. meat consumption is by pets, not people. If Fido eats lab-grown meat, they say, it could cut the country's carbon footprint.

Legal experts predict President-elect Donald Trump will move quickly next year to cement and extend his legacy in appointing federal judges.

The attack was disclosed on the same day as Zelenskyy said Ukraine will send a delegation to Istanbul for a new round of direct peace talks with Russia on Monday.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Secretary of Defense Chuck Hagel is in India. The visit is part of a broader U.S. strategy to strengthen alliances in Asia and the Pacific.

Democratic U.S. Rep. Raúl M. Grijalva of Arizona, who championed environmental protection during his 12 terms in Congress, died Thursday of complications from cancer treatments, his office said.