When it comes to the transition from fossil fuels to newer, greener energy alternatives, some countries race ahead in the lead and others lag behind. A new study appearing this week in the journal Science finds that this phenomenon is not just down to a difference in resource availability between the countries. Instead, politics and policies play a major role in determining how governments respond to the challenges of switching to new energy sources.  “We are really interested in understanding how national differences mediate the responses of countries to the...