The New York Times

Trilobites: A Search for Clues to What Causes Whale Strandings

Researchers develop a model they hope can be used to understand how dolphins and whales react physiologically to threats from predators and people.

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Large Sections of Australia’s Great Reef Are Now Dead, Scientists Find

If most of the world’s coral reefs die, some of the richest and most colorful life in the ocean could be lost, along with huge sums from reef tourism.

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Solar Experiment Lets Neighbors Trade Energy Among Themselves

Dozens of homes and businesses in Brooklyn have been wired into a microgrid, which allows members to exchange excess-electricity credits.

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High Above, Drones Keep Watchful Eyes on Wildlife in Africa

Drones seemed like the perfect anti-poaching tools. But deploying them has been far more difficult than conservationists had hoped.

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Lake Baikal Journal: A Russian Lake’s Future Hangs on Tourists and Toilets

The fight to protect Lake Baikal, the world’s largest body of unfrozen freshwater, has shifted from industrial pollution to more mundane matters like sewage.

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Amazon Deforestation, Once Tamed, Comes Roaring Back

A decade after the “Save the Rainforest” movement captured the world’s imagination, Cargill and other food giants are pushing deeper into the wilderness.

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Meet Diego, the Centenarian Whose Sex Drive Saved His Species

By fathering hundreds, a giant tortoise in the Galápagos Islands reversed the threat of extinction. Another, earning the name Lonesome George, was unable to do the same.

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Trilobites: First Underwater Video of Elusive True’s Beaked Whales

Beaked whales, like those filmed in the Azores in 2013, spend much of their time deep underwater, which makes study difficult.

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Trump’s Climate Views: Combative, Conflicting and Confusing

The president has spoken often about climate change, energy, coal and wind turbines. His statements are often provocative but not always consistent. A sampling.

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With Rebels Gone, Colombia Jumps Into the Pot Industry

The government, which has received billions in American aid to eradicate the drug trade, will license a small number of companies to cultivate medical marijuana.

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