When 200 million metric tons of rock tumbled down a remote Southeast Alaska mountain in October, nobody was around to see it. But thanks to a beefed-up seismic network and a new system that can distinguish landslides from earthquakes, scientists knew it had happened.
A new report identifies climate change as one of the challenges facing transportation in Alaska's most famous national park.
Climate-induced habitat changes on Alaska's North Slope such as coastal erosion and permafrost thaw have produced more food for migrating brant, a study says.
As Alaska warms and permafrost thaws, the chemistry of the Yukon River's water is transforming chemically, new research from the U.S. Geological Survey shows.
New research shows that permafrost soils hold massive quantities of mercury — nearly twice as much as is held in all other soils in the world, plus the mercury in the oceans and the atmosphere —
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