Most Commented Stories Tagged: Colorado

Arts, Culture & Media

Melting Permafrost

For today's Geo Quiz, we head to the frozen north. We have heard a lot about the problem of melting ice as climate change warms up the Arctic. But scientists are also worried about something else that is melting up there — permafrost.

A new boom in

There's a growing demand for a metal you've probably never heard of, t's called "molybdenum" and it's used in computers, and right now, the global demand for the metal is so high that it's prompted the re-opening of a long dormant mine in Colorado,