National Journal: Don't expect too much from the global climate-change accord that's expected to emerge from high-stakes international talks in Paris next year.
A new MIT study concludes that even if negotiators reach a deal at the United Nations conference, it probably won't be enough to limit global temperature increases to 2 degrees Celsius above pre-industrial levels. That's the level many scientists say would help stave off some of the most dangerous and disruptive effects of climate change.
Here's the...