A step forward in countering global warming
Global-warming talks in Paris next year have a better chance of reaching a productive conclusion now that the two biggest economies in the world, which also happen to be the two biggest climate polluters, have promised to curb greenhouse gases dramatically by 2030. But the questions other nations will be asking as they analyze the forward-looking agreement reached by President Obama and Chinese President Xi Jinping are exactly how they intend to achieve these ambitious goals and, indeed, whether they will be able to carry out their promises. The latter question applies especially to Obama, who already faces opposition to the deal from Republican lawmakers, who will soon control both houses of Congress.
