Antarctic Research Bases Spew Toxic Wastes Into Environment
Antarctica is one of the most pristine environments on Earth, but it's wrestling with a pollution problem.
Russia Raises Natural Gas Threat Against Ukraine
Russia presses Ukraine on natural gas debt and threatens price hike. Past cutoffs affected all of Europe, but a changed transit landscape leaves Ukraine far more isolated today.
Pictures: Photographer Who Shot Bristol Bay Celebrates Halt of Pebble Mine
Michael Melford is celebrating an EPA decision that could stymie plans for a massive mine in the pristine region.
Oil From the Exxon Valdez Spill Lingers on Alaska Beaches
Some beaches in the Gulf of Alaska still harbor oil from the Exxon Valdez spill. And it looks about the same as it did 25 years ago.
EPA Puts Pebble Mine on Hold
Federal regulators invoked the Clean Water Act to put dumping mine waste in an Alaskan bay on hold.
Electric Cars Alone Won't Drive a Drop in U.S. Emissions: Study
Electric cars alone won''t yield needed cuts in greenhouse gas, new research says. Policymakers need to cut carbon throughout the economy, especially from power plants.
Hotels Save Energy With a Push to Save Water
A new U.S. government program called H2Otel Challenge encourages hotels to cut back on water waste, and watch energy savings rise.
Five Striking Concepts for Harnessing the Sea''s Power
The ocean is an inexhaustible source of energy, but putting it to work powering the grid is a challenge. Will any of these innovations help make wave power part of the global energy mix?
Nicaraguan Canal Could Wreck Environment, Scientists Say
Nicaragua''s proposed canal threatens vital forests and wetlands, warn experts.