2012 declared the International Year of Sustainable Energy for All

Bill will cleaner electricity bring higher prices?

Why cutting carbon emissions is good for the economy

Legislative delay means there's time for revisions

NYC company wants grocery stores to raise on the roof

As the century-old technology runs its course, LED bulbs step up

African country reveals plans for world's biggest solar plant.

Showroom stickers would rank cars based on fuel economy and emissions.

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

A proposal to ban the export of the critically endangered bluefin tuna has been rejected at a UN wildlife meeting.