Study connects marine heat wave with spike in whale entanglements

Climate change is increasing the frequency and severity of marine heat waves—warm water anomalies that disrupt marine ecosystems—and this is creating new challenges for fisheries management and ocean conservation. A new ...

Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, which could ...

US keeps bluefin tuna off endangered list

The United States on Friday rejected calls to protect Atlantic bluefin tuna as an endangered species, saying that while it was worried about overfishing it did not fear imminent extinction.

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