The story of Alaska’s glacial retreat is plainly written across the landscape. Melting has left these slow-moving rivers of ice, while still spectacular, much diminished. And it is forcing us to think ...

When I tell people I’m from Alaska I get a variety of responses from “You must get a lot of snow!” to “Doesn’t it get dark there all the time?” to “Do you have penguins?”. I’m not kidding about these.