Region beginning to tap seismic volatility for electricity needs.

Nation's first energy storage bill passed by the California Legislature.

Mobile farm trucks bring local, sustainable produce to the people.

World's largest tidal power turbine unveiled in Scotland.

As the Gulf disaster abates, scientists ponder the future of a ravaged ecosystem.

Plug-in supercar could be yours for a mere $600,000.

First UK cycle share scheme to launch next week.

Report finds dramatic reductions in prohibited logging activities around the globe.

Move follows plastic bag prohibitions by several Californian cities.

Artists give Rio community a radiant makeover.