Biggest polluter

China Just Got Serious About Global Warming. Now We're Really Out of Excuses.

The world's biggest polluter will set up a carbon market as early as 2016. Here's why that matters.

By James West

Over the weekend, China announced it was moving forward with plans for a massive, nationwide cap-and-trade program intended to help combat global warming. Here's why China is doing this now, and what we know about the plan so far.