After two weeks of bruising negotiations, officials from almost 200 countries agreed Saturday on universal, transparent rules that will govern efforts to cut emissions and curb global warming. Fierce disagreements on two other climate issues were kicked down the road for a year to help bridge a chasm of opinions on the best solutions.

The deal agreed upon at U.N. climate talks in Poland enables countries to put into action the principles in the 2015 Paris climate accord.

But to the frustration of environmental activists and some countries who were urging more ambitious climate goals, negotiators delayed decisions on two key issues until next year in an effort to get a deal on them.

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