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Negotiators are gathering in Katowice, Poland, for the annual U.N. climate summit, known informally as COP 24. It is the most important international meeting for countries to discuss and coordinate the fight against global warming.
Here is a look at some of the key issues and terms that will come up at the event, which starts Sunday and ends on Dec. 14:
Acronym - Conference - Parties - UN - Framework
The acronym stands for Conference of the Parties to the U.N. Framework Convention on Climate Change.
Held for the first time in 1995, the COP also acts at the meeting of parties to the 1992 Kyoto Protocol that first committed countries to reducing greenhouse gas emissions and the 2015 Paris Agreement.
Term - Paris - Accord - Goal - Warming
The term "Paris" is often used to refer to the accord's headline goal of keeping global warming below 2 degrees Celsius (3.6 degrees Fahrenheit) compared with pre-industrial times, and if possible to limit the increase to 1.5 C (2.7 F).
When leaders approved the 2015 accord, they put aside a lot of questions about the finer details of how the agreement would work.
Meeting - Katowice - Details - Countries - Greenhouse
The meeting in Katowice is meant to finalize those details, including how countries will collect and transparently report their greenhouse gas emissions, and keep track of efforts to reduce them.
Rather than set a global target for emissions cuts, the Paris Agreement allowed countries to submit their own goals, known as Nationally Determined Contributions.
Targets - Degrees - C - Paris - Accord
It was recognized that all the initial national targets together wouldn't be enough to keep global warming below 2 degrees C, so the Paris accord requires countries to keep raising their goals over time.
The next set of NDCs for the period after 2020 needs to be submitted within the next two years. An...
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