The aurora borealis, or northern lights, are a common sight in Alaska. Now they have become a way for some high school students to connect to the world.
Forecasters and scientists are predicting an El Nino year. Antonio Neves reports on the climate patterns and chain of events that occur around the world.
Reporter Stacey Delikat digs deep to discover what one Vermont farm is doing to lower its energy bills. [CC]
The ice along the coast of Greenland is melting twice as fast as it was five years ago. It is part of a change in climate that could lead to rising sea levels.