Historic climate deal, but road ahead won't be easy

Nations of the world gathering in Paris on Saturday approved what may be the most historic global treaty since Versailles, pledging themselves to contain the warming of the planet by backing rapidly away from the uncontrolled combustion of fossil fuels.

But even as the agreement roused cheering and backslapping, its supporters said the road ahead would be a difficult one. After 25 years of mostly fruitless talks, many of those who have traveled together to this point said their work must continue with renewed vigor.

The turning point in Paris came at the end of what has been the warmest year in human history. And scientists predict more of the same as long as carbon dioxide continues to accumulate in the atmosphere.

Read the Inside Climate News story - “Nations Approve Historic Climate Treaty, but Road Ahead Not Easy.”