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A Third of the World's Population Could Be Blanketed in Sahara-Like Heat by 2070 到2070年，世界上三分之一的人口将会笼罩在撒哈拉般的热浪中 Brain geniuses like Elon Musk may want to colonize Mars, which sure. But for simpletons like me, keeping Earth mostly habitable seems like a better use of time and resources. 像埃隆·马斯克这样的大脑天才可能想要征服火星，好吧，这是肯定的。但是对于像我这样的傻瓜来说，让地球的大部分都适合人类居住似乎是对时间和资源的更好利用。 If carbon emissions are allowed to continue unchecked, though, that may be a tough proposition. According to a new study, extreme heat now only found in parts of the Sahara could spread to nearly 20 percent of the globe (and nearly a third of humanity) if carbon emissions aren’t curtailed. The paper, published on Monday in the Proceedings of the National Academy of Sciences, makes a pretty compelling case to cut carbon emissions and not fry the world. 然而，如果碳排放继续不受限制，这可能是一个艰难的事情。根据一项新研究，如果不减少碳排放，目前只在撒哈拉沙漠部分地区发现的极端高温可能会蔓延到全球近20%的地区（波及近三分之一的人类）。这篇周一发表在《美国国家科学院院刊》上的论文为减少碳排放，不让全球变暖提出了一个相当有说服力的理由。 | 
