Developing countries are poised to lead the world on clean energy investment.
The presidential wannabe isn't a climate denier, yet he opposes cap-and-trade and just about anything else that might curb emissions.
Marc Cornelissen and Philip de Roo were studying the Arctic's lowest winter ice cover on record. Then they fell through it.
California has the most ambitious climate plan in the nation, but if it loses too many trees to fire, it will have a hard time meeting its targets.
It's already looking bad, and it's going to get worse.
The Fukushima disaster screwed up Japan's climate strategy.
More and more utilities are competing for solar power dollars -- but what will that mean for smaller companies and consumers?
The president uses his Earth Day message to call for climate action -- and throw a few jabs at Marco Rubio and Rick Scott.
Five years ago, the Deepwater Horizon explosion triggered the largest oil spill in U.S. history. Here's what you still need to know.