请将以下文本总结为两句话。文本如下： paris climate change summit committed to reduce greenhouse gas emissions. it was a global agreement, with nearly 200 countries taking part. the primary goal was to keep a global temperature rise below 2 degrees celsius above pre-industrial levels by 2100. the participating nations agreed to meet every five years to check progress and increase their commitments. this landmark deal was seen as a significant step forward in international efforts to combat climate change.
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巴黎气候变化峰会致力于减少温室气体排放，有近200个国家参与，主要目标是在2100年前将全球气温升高控制在比工业化前水平高出2摄氏度以内。各国同意每五年会面一次，检查进展情况并加强承诺，此举被视为在国际努力应对气候变化方面迈出的重要一步。
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