Designer/builder Anthony Brenner's hempcrete home takes green building to the next level.

1366 Technologies raises $20 million to fund a cheaper path to solar power.

Legislation would help move clean energy projects out of the laboratory and into the marketplace.

Largest solar-powered boat in the world to attempt historic voyage.

Zero emissions? That depends on where you get the electricity to charge your car.

Sneaker giant ditches the shoebox for a more sustainable alternative.

A Polish architecture firm's visionary concept for a net-zero skyscraper.

Cargoshell aims to revolutionize global shipping.

New rules of the sea mean new recipes on the plate.

Male cleaner fish punish females for poor service.