遏制气候变化，全球温室气体排放量必须减半；发达国家必须尽最大努力减排。本着这样的信念，欧洲已经将其减排计划定为到2050年实现减排80 - 95%。

Believing that global greenhouse-gas emissions must fall by half to limit climate change, and that rich countries should cut the most, Europe has set a goal of reducing emissions by 80-95% by 2050.

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