Would Disney World shut down at ten-dollar-a-gallon gas? Chris Steiner says so. And a lot more changes, too, on the way to twenty-dollars-a-gallon.

No cars. No waste. No gas or oil. We go to Abu Dhabi, where plans are underway to build the world’s first carbon-neutral city.

We’ll go deep on one man’s tough quest to harness the wind for American power.

Teenage students from West Philly High are competing for the X-Prize in hybrid-car design — and challenging the pros.

Half of all electricity in America is generated from coal. As oil wanes and world energy demand grows, coal’s role is destined to only grow bigger.
The problem is, coal is dirty. Carbon dioxide emissions from coal-fired power plants are a major contributor to global warming.
Five years ago, the Bush administration announced what it called one [...]