But GM says $350-a-month lease deal will put electric car within reach for many.

As the federal climate bill dies, a regional alliance steps up for emissions controls.

First UK cycle share scheme to launch next week.

Japanese "solar sail" propelled by the sun.

Elegance and sustainability make friends at a seaside home in Singapore.

Company officials are cautiously optimistic after three days of encouraging test results.

The leak is plugged. But is it too late to restore public confidence?

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

US natural gas driller to disclose chemical use.

BP installs new cap that it hopes will capture the crude leaking into the Gulf.