#Beavers gnawing away at the Arctic permafrost
“#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…