A series of recent studies and reports suggest that, without immediate and drastic action, the worst-case climate scenario will become the rule rather than the exception.
NASA satellites are offering new insights into how glaciers in Antarctica and Asia are responding to warmer temperatures.
Sailing from the Atlantic to the Orient across the roof of the world has been the dream of Arctic explorers and world traders for centuries. It saves fuel, too, so what's not to like? Well ...
A European satellite scheduled to launch today will provide hard data on rising seas.