Study Reveals What Has Worked to Fight Climate Change

Source: U.S. News and World ReportTo find out what works when nations try to fight climate change, researchers looked at 1,500 ways that countries have tried to curb heat-trapping gases. What they found was that successes were rare. Since 1998, only 63 initiatives resulted in significant cuts of carbon pollution, according to the study, published Thursday in the journal Science. So, what worked best? Policies requiring someone to pay when carbon is emitted into the atmosphere.