Matt Petersen of Global Green, and a handful of other organizations, are working to make sure it happens.

The makers of the film The End of Suburbia are working on a new documentary.

Yes, it was a total disappointment. But the very existence of COP15 has already changed the rules of the game.

China’s flagship zero-carbon city has thus far failed to materialize. But that doesn’t mean it never will, says its planner.

That’s right – that familiar goofy face is back from oblivion, calling for aid for Haiti alongside Bill Clinton.

With the world’s attention focused on climate change talks in Copenhagen, where world leaders may or may not reach an agreement by the end of the week, a parallel gathering in Istanbul is exploring practical solutions to the climate challenge.

The freewheeling development model that it pioneered has effectively been rendered obsolete.

This editorial calling for action from world leaders on climate change is being published today by 56 newspapers around the world in 20 languages.

Why is it so hard to change our cities, even when it’s obvious to everyone that things need to change? Maybe we’re just looking at things the wrong way.

Scenes from a new film on post-Katrina New Orleans, which chronicles the city’s troubled attempts to deal with its destruction, while planning its reconstruction.