Meet a young startup with a huge utility deal and a lot of promise.

Your new fridge could cost a bundle on your energy bill. Here’s what you should have done.

The Climate Investment Funds hopes to stimulate clean energy projects in the developing world.

Combining the best in Chinese manufacturing with the best in U.S. high tech R&D. At least that’s the idea.

Fears about competition spook investors

Lung and adrenal lesions were found on dead dolphins

Transocean will get $125 million compensation for legal claims, and pay $212 million into a fund for compensating those harmed by the spill.

It’s an important step for the next-generation of geothermal energy tech.