A plan to limit fossil-fuel pollution in all nations for the first time came a step closer as envoys from more than 190 countries agreed on the key parts of a deal they plan to adopt next year to fight global warming. After two weeks of discussions in Peru organized by the United Nations , the diplomats agreed on the detail of pledges from all nations on curbing greenhouse gases . Richer countries gave an assurance they’re on track to mobilize $100 billion a year in climate aid by 2020. The decision sets the framework for a landmark agreement the UN intends to adopt in December 2015 in Paris that will rein in the emissions damaging the atmosphere. It included last-minute concessions to some of the poorest nations in the world, who are concerned the system will impose costly and painful changes on their economies. “We are on track […]