Methane gas collection turns waste into wattage

Hydroelectric, drinking water systems rely on high-altitude glaciers that are now shrinking

Journalist's book describes traveling from Vermont to California without stopping at gas pumps

Operators of demonstration plant say it is first of its type in the world and involves burning coal in oxygen rather than air, which reduces ... more

Japan's whaling fleet is preparing to leave port for its annual hunt in the Southern Ocean as insists that its whaling program is undertaken for ... more

Environmental groups hope Beijing measures will be a model for the rest of the country