As many as 1.5 million new jobs could be created by looming EPA regs, says report.

Canadian project converts waste to clean energy.

EPA tightens regs on drinking water toxicity.

This ain't no Prius.

Canadian city unveils waste collection vehicle that feeds itself.

Renewable power is cheaper and safer, military leaders say.

Scientists hope to turn coal plant CO2 emissions into clean air.

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

Sunday's show will be the most sustainable yet.

Japanese "solar sail" propelled by the sun.