U.N.: Cuts in carbon emissions not enough to prevent ‘global warming’

Pledges by the United States and other countries to sharply reduce greenhouse-gas emissions still aren’t enough to prevent global temperatures from rising beyond levels that scientists believe could be dangerous to the planet’s health, a U.N.-commissioned study says.

The report by the United Nations Environmental Program (UNEP) cited a sizable “emissions gap” between the promises made by world leaders to lower pollution and the maximum amount of carbon the atmosphere can safely absorb .... http://www.washingtonpost.com