Categories
Beavers Business gnawing

Beavers gnawing away at the Arctic permafrost

Credit: Pixabay/CC0 Public Domain Alaska’s beavers are profiting from climate change, and spreading rapidly. In just a few years’ time, they have not only expanded into many tundra regions where they’d never been seen before; they’re also building more and more dams in their new homes, creating a host of new water bodies. This could…

Categories
Beavers Business gnawing

Beavers are gnawing away at the Arctic permafrost, and that’s bad for the planet

(CNN)The beaver may be an unlikely agent of climate change, but the cuddly-looking creatures are transforming the Arctic landscape in a way that could be exacerbating global warming, a new study has suggested. With their sharp teeth, beavers fell trees and shrubs and build dams, which flood small valleys and form new lakes that can…