Governments have adopted a global agreement that for the first time asks all countries to reduce or rein in their greenhouse gas emissions.
Loud applause erupted in the conference hall outside of Paris after French Foreign Minister Laurent Fabius gaveled the agreement Saturday. Some delegates started crying. Others embraced.
More than 190 countries had been negotiating the pact for four years after earlier attempts to reach such a deal failed.
Former Vice President Al Gore says "years from now, our grandchildren will reflect on humanity's moral courage to solve the climate crisis. And they will look to December 12, 2015, as the day when the community of nations finally made the decision to act."
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