Japan’s nuclear power woes could spur an electricity crisis that will likely cause severe power shortages this summer.

A controversial billboard campaign by the Heartland Institute comes under fire from critics who say it likens climate-change scientists to terrorists.

The U.S. Department of the Interior has issued new costly regulations regarding hydraulic fracturing, a process used in 90 percent of oil and gas drilling operations on public lands in this country.

New research proves Greenland's glaciers are flowing more slowly than predicted, but experts still fear threats to coastal communities from sea level rise. Are their fears unfounded?

As Obama's EPA institutes new regulations on coal-fired power plants, the number of operating plants will steadily dwindle, causing increased costs and job loss.