Climate change is a global issue - from the point of view of the Earth's climate, a molecule of CO2 emitted in Bejing is the same as a molecule emitted in Sydney.

It's not all Obama's fault: His plans to rebuild America's energy infrastructure have been hampered by the recession, and his efforts on global warming have been stymied by Tea Party wackos and weak-kneed Democrats in Congress.

Have we failed to slow global warming pollution in part because climate and environmental activists have been too polite and well behaved?

In reality, studies show that investments to spur renewable energy and boost energy efficiency generate far more jobs than oil and coal.

Among all the tests President Obama faced in his first term, his biggest failure was climate change.

This Dewdrop World is a beautiful, courageous, intimate film about love and loss. It may also be the deepest meditation on climate change that I've ever seen.

So if you want to know how Exxon Mobil can make $10 billion profit in 90 days, just look around. The whole world was built for them.