Earth/Weather
A federal program encourages the retirement of inefficient appliances with cash rebates.
With the possibility of snow, rain, and fog, forecasters will need to provide hourly updates during the 2010 Olympic Games.
A type of volcanic lightning was discovered during Mount Redoubt's Jan. 2009 eruption.
Relief workers warned that more buildings might collapse.
Researchers try to identify at-risk regions but cannot predict the next 'big one'.
A fresh technique offers promise to generate new data from long-dead storms.
A team from Penn State University competes in the Solar Decathlon on the National Mall in Washington.
A team from the University of Kentucky competes in the Solar Decathlon on the National Mall in Washington.
Waves too fast, too close for advanced detection system.
Harnessing slow wind and preventing ice from forming are two common problems.