Nearly 200 countries , including China and the US , which are the world ’s leading producers of greenhouse gas , have adopted rules designed to boost the 2015 Paris Climate Agreement . Leaders at the United Nations talks , which took place in Poland , agreed universal rules on emissions reductions . They also provided poor countries with assurances that they would receive financial support for climate change adaptation . However , the final text of the agreement omitted a previous commitment to specific emissions targets by 2030 . "But the fact countries had to be dragged kicking and screaming to the finish line A decision on the operation of an emissions - trading scheme was also postponed for a year .
Nearly 200 countries , including China and the US , which are the world ’s leading producers of greenhouse gas , have adopted rules designed to boost the 2015 Paris Climate Agreement . Leaders at the United Nations talks , which took place in Poland , agreed universal rules on emissions reductions . They also provided poor countries with assurances that they would receive financial support for climate change adaptation . However , the final text of the agreement omitted a previous commitment to specific emissions targets by 2030 . A decision on the operation of an emissions - trading scheme was also postponed for a year .