Several G-20 Countries Failing to Live Up to Paris Climate Pledges

Several of the G-20 group of industrialized countries are failing to take action in line with their pledges to reduce emissions made under the 2015 Paris climate agreement, according to new research. As Henry Ridgwell reports, scientists fear the momentum behind reducing emissions could be lost if U.S. President-elect Donald Trump follows through on campaign pledges to pull out of the deal.