President-elect Donald Trump and members of his proposed cabinet and transition team have taken aim at many of President Obama's climate and clean-energy policies, programs and legacies 2014 from the Paris Agreement to the Clean Power Plan.
But there's probably no more consequential and contentious a target for the incoming administration than an arcane metric called the "social cost of carbon."
This value is the government's best estimate of how much society gains over the long haul by cutting each ton of the heat-trapping carbon-dioxide emissions scientists have linked to global warming.
Currently set at $36 per ton of carbon