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To accurately predict species distribution and risk of extinction, models must include more than just climate, researchers say.

The gnarled bristlecone pines that have taken root high atop the remote, rocky slopes of California's White Mountains are the longest-lived individual trees on the planet – and they have secrets to share.

The gnarled bristlecone pines that have taken root high atop the remote, rocky slopes of California's White Mountains are the longest-lived individual trees on the planet – and they have secrets to share.

Timbers taken from demolished buildings in the city can extend by hundreds of years how far back in time scientists can tell what the climate was.

Big Pivots The East Troublesome Fire photographed on Oct. 20, 2020 by Brad White, fire chief of the Grand Fire Protection District in Granby. Colorado’s scariest wildfire in 2020 was not its largest. East Troublesome shocked because of its sprint and then its leap. It grew by 87,000 acres in a fiery dash across the headwaters of the Colorado River and past Grand Lake, most of that in just a couple hours. Smoke plumes rose 40,000 feet. The winds, variously estimated at 50 to 100 mph, were strong enough to bend over lodgepole pines. Then embers vaulted across two miles of treeless tundra at t...