Marc Gunther

The fossil fuel divestment campaign has so far persuaded only a handful of universities and investment funds to change their policies. But if the movement can help shift public opinion about climate change, its organizers say, it will have achieved its primary goal.

Electric bicycles are already popular in Europe and in China, which has more e-bikes than cars on its roads. Now, manufacturers are marketing e-bikes in the U.S., promoting them as a "green" alternative to driving.

As concerns mount about climate change, getting new coal-fired plants built is harder than ever for US businesses.