Which group has played the most significant role in solving global environmental problems?

UNFCC or United Nations Framework Convention on Climate Change has played the most significant role in solving global environmental problems. This is basically an international treaty on environment that was signed in Rio de Janeiro between 3rd to 14th of June in the year 1992. I hope the answer has helped you.

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.