This New Year's as we reflect on our experiences with friends and family we might think about forgiveness, both given and received. Philosopher Charles Griswald provides some guidance. Christie Nicholson reports...

What were the biggest environmental stories in 2010? David Biello reports...

The (environmental) meaning of Christmas. David Biello reports...

Physics Nobel laureate and U.S. energy secretary, Steven Chu, offers his thoughts on the paired challenge of climate change and clean energy in Cancun. David Biello reports...

After Copenhagen, the world reconvenes to try to combat climate change. David Biello reports...

When it comes to persuasion, doom and gloom doesn't work. If that wasn't clear from the morass that is international climate change negotiations starting this week or the constant reports of extinction of plant and animal species worldwide, new resear...

What impact did the Great Recession have on climate change...