Read what bin Laden had to say about global warming and Pakistan.
In a commencement address at the Coast Guard Academy, the president told cadets they'll be responding to climate change throughout their careers.
Watch one of the first climate models in action.
The Obama administration just released a 10-year plan to grow monarch butterfly and bee populations.
Developing countries are poised to lead the world on clean energy investment.
There's a lot of bodily moisture in the cards as parts of the U.S. get warmer, and more people choose to move to those parts of the country.
Big Oil has launched a multimillion-dollar ad campaign arguing we don't need and can’t afford strong limits on ozone pollution. They're wrong.
The personal met the political in Seattle's Elliott Bay.
Protesters left their kayaks behind and took to the streets to prevent workers from reaching Shell's Polar Pioneer rig, which arrived in the city last week.