From NPR News

Negotiators and heads of state from nearly 200 countries are meeting for the next two weeks near Paris to craft a new treaty to slow global warming.

It's the 21st "Conference of the Parties" held by the United Nations to tackle climate change. One treaty emerged, in 1997, after the conference in Kyoto, Japan. That's no longer in effect, and, in fact, the Kyoto Protocol, as it's known, didn't slow down the gradual warming of the planet.

Nearly 150 world leaders are gathered near Paris for what is being billed as a last-chance summit to avoid catastrophic climate change.

NPR's Eleanor Beardsley reports that this is the biggest diplomatic meeting in France since 1948. She filed this report for our Newscast unit:

Copyright 2015 NPR. To see more, visit http://www.npr.org/.

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