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BONN, Germany — After wrangling through the night, the 23rd conference of the United Nations Framework Convention on Climate Change wrapped up early Saturday with modest accomplishments, paving the way to complete by next year the rules that will set the Paris agreement in motion.

Delegates wrapping up before dawn congratulated themselves on another year of saving the process, if not the planet, and called on countries to be more ambitious in tackling emissions.

“Climate change is a global challenge. The Paris agreement has sped up the historic global momentum for dealing with climate change, and that momentum is not reversible,” said China’s lead negotiator, Xie Zhenhua.