A recent trip south had Ann Bailey contemplating how people become accustomed to different climates and how every place in ...

New leaf litter and dead plants are then quickly frozen and permanently stored for ... came from the dry tundra and boreal ...

frozen in time for thousands of years. Beartooth Plateau, which sits at an altitude of over 10,000 feet (3,000 meters), is a barren, tundra-like landscape. But it hasn't always been that way ...