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Beautiful Yet Unnerving Photos of the Arctic Getting Greener
Using tricked-out drones, scientists are watching vegetation boom in the far north. Their findings could have big implications for the ... -
Is It Better to Plant Trees or Let Forests Regrow Naturally?
Nations are pledging to plant billions of trees. But a new study shows that we’ve underestimated the power of natural ... -
Australia's Koalas Are ‘Sliding Towards Extinction’
The species is among 28 animals being assessed for potential upgrade of their threat status as their numbers plummet following ... -
What’s Causing the Mass Bird Die-Off in the Southwest?
Thousands of migrating birds have died, perhaps starved by drier conditions related to climate change or by having to fly ...
