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.

Atlantic coast under threat as tar balls wash up in Florida Keys.

Progressive regulations will eliminate most fast food packaging from the landfill.

Cargoshell aims to revolutionize global shipping.