
Researchers are increasingly envisioning a future in which geoengineering is a part of responding to climate change.

Google backs you up on everything else in life; why not let them help you save a little on your electricity bill as well?

Geostellar sends low-flying aircraft over the landscape to create detailed 3D maps that show where solar panels would pay off.

After flying a plane equipped with lasers over the city, NYC created a map showing how much solar energy every single rooftop could be generating.

Will the unrest in the Arab world put massive solar projects like Desertec on hold or actually usher in a new era of clean energy?

This incredible 16,000-panel solar array on top of a Paris to Amsterdam rail line powers half of the big Antwerp train station nearby.

Climate change will bring more droughts, heat waves, and floods. But we're starting to prepare for them.

Rather than advertising energy-efficiency features, a leading home builder and solar installer are pitching the effect—no electric bill, ever.