UN chief Ban: 'History will remember this day'
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UN Secretary General Ban Ki-moon says the Paris agreement caps a seven-year effort to get the world to act on climate change.
As nations took turns praising the agreement Saturday, Ban says "what was once unthinkable is now unstoppable ... it's a good agreement and you should all be proud."
"History will remember this day," Ban said. "The Paris agreement on climate change is a monumental success for the planet and its people."
The UN chief, who spoke about traveling the globe to hear victims talk about struggling with the effects of climate change, told victims that the world is now listening to them. He added "the world starts from tomorrow."
