The Diplomatic Road to a New Climate Agreement May Not End in Paris Next Year

It's been more than four years since leaders tried and failed to craft a binding new global climate change treaty in Copenhagen, and as nations head toward a new deal in 2015, the aftershocks of that Danish summit continue to reverberate.

From climate campaigners to high-level diplomats, those who are committed to fighting global warming say making a strong agreement in Paris next year that radically reduces levels of greenhouse gas emissions is critical.  But, they argue, it's not the last step or perhaps even the most important step in what will be a long battle to avoid catastrophic warming.

The Diplomatic Road to a New Climate Agreement May Not End in Paris Next Year