The Food and Drug Administration made history Friday as it approved the first drug made with materials from genetically engineered animals, clearing the way for a new class of medical therapies.

Smart grids. Everyone’s talking about them. What’s in it for you? And the planet?

Wind and solar power have been growing at a blistering pace in recent years, and that growth seemed likely to accelerate under the green-minded Obama administration. But because of the credit crisis and the broader economic downturn, the opposite is happening: installation of wind and solar power is plummeting.

The presence of prairie winds and rich soil makes Iowa literally fertile ground for developing alternative energy sources from wind turbines and biofuels.

Two and a half years ago, the software engineers behind Google Earth, the searchable online replica of the planet, were poised to fill an enormous data gap, adding the two-thirds of the globe that is covered by water in reality and was blue, and blank, online.

Tankless water heaters are getting a lot of buzz. Are they the slam dunk they’re being made out to be?

Toyota's third-generation Prius, due at dealerships this spring, will have an optional solar panel on its roof. The panel will power a ventilation system that can cool the car without help from the engine, Toyota says.

Twitterers are coming up with new green initiatives to fundraise, improve home energy efficiency and get eco-motivated!

Sneak a peek at the cute little zero-emissions cars that could one day be zipping around your neighborhood

Audi has approved a new strategy to build a range of eco cars. The plan was given the green light just before Christmas and will spawn a family of clean, low CO2 cars, dubbed internally E1 to E5 and spanning everything from a small city car to sports cars.