Can Polar Bears Tread Water?

Now that the Cold War is over, the world may have to grapple with the new, more insidious threat to global security posed by global climate change. At a time when the world population is expanding rapidly, a warmer climate threatens to reduce grain production from the United States, which supplies over 100 countries, by […]

Earth Report | Doomsday Vault

The Norwegian government has built an underground vault to guard against a major catastrophe – nuclear war, asteroid strikes or severe climate change. It’s a seed bank on a wild Arctic island 500 miles from the North Pole: a store for all the known varieties of the world’s crops – just in case.