The tide may finally be turning in the battle against climate change. Last week the US and China signed a deal to cut carbon emissions from heavy-duty vehicles and coal-fired power plants. Barely a month before, the world’s two biggest emitters agreed to phase out hydrofluorocarbons, the greenhouse gases even more toxic to the earth’s atmosphere than carbon.
对抗气候变暖的斗争可能终于迎来了转机。上周美国和manbetx3.0 签署了一项协议，将降低重型车辆和燃煤发电厂的碳排放。就在不到一个月前，这两个世界最大的排放国还达成协议，将逐步停止使用氢氟碳化物，这种温室气体比碳对地球大气的危害更大。
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