Grist: When Gov. Jerry Brown arrives in Paris next week for a major international conference on climate change, he will showcase one of the worlds most sweeping programs to cut greenhouse gas emissions.
California has perhaps the most comprehensive cap-and-trade program in the world, setting a limit and a price for pollution from factories, utilities, and transportation fuels. The states 2030 goals of getting half of its electricity from renewable sources and reducing greenhouse gas emissions to 40...