18 countries have gone green on climate, and they have reaped the benefits

Clean energy advocates and think tanks have long claimed that it is feasible to cut emissions while maintaining economic growth. According to the most recent study from the world's top climate scientists, 18 nations have done just that, sustaining emissions reductions "for at least a decade" while their economies grew.

The Intergovernmental Panel on Climate Change (IPCC) of the United Nations did not name the nations, c....