Sterman is not talking about greed, selfishness, or some other vice.
斯特曼所说的不是人的贪婪、自私或其他罪恶。
"And that means they think it's easier to stabilize greenhouse gases and stop warming than it is," Sterman says.
“这意味着他们会误认为控制温室气体和防止气候变暖比较容易。”斯特曼说。
To stop it at 450 ppm, Sterman says, a level many scientists consider dangerously high, the world would have to cut emissions by around 80 percent by 2050.
斯特曼说，为了防止它上升到许多科学家都认为危险的450PPM的高水平，到2050年全世界要减少80%左右的排放。
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