Florida surpasses a grim milestone: One thousand dead manatees

Since July, every weekly update from state wildlife officials has set a new record for the most manatee deaths counted in a single year. On Wednesday, Florida crossed an especially tragic threshold: More than 1,000 manatees ...

Dams ineffective for cold-water conservation

Dams poorly mimic the temperature patterns California streams require to support the state's native salmon and trout—more than three-quarters of which risk extinction. Bold actions are needed to reverse extinction trends ...

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