“I will not walk away from the promise of clean energy,” President Obama said in his State of the Union.

He didn’t talk about fighting climate change, though. The state of the union is: unsurprised.

Sen. Jeff Bingaman says he’ll release his proposal for a clean energy standard in the next few weeks.

Durban could actually turn out to be the most successful climate conference yet.

In India, solar power is cheaper than diesel-generated electricity.

It’s greener to renovate and retrofit an old building than to build a new building.