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应对气候变化最有效的措施,不是风电,而是提高空调效率!

时间:2017-07-31     来源:国际能源小数据     阅读:30763

纽约时报网站贴出了这样一个选择题:

“没有一个单独的方案可以完全解决气候变化的挑战。但是有一个方法比其他的方法更有效,你觉得是下图所示的哪一个方法呢(风电、少吃肉、提高空调效率、出行坐公交)?”



——如果你选风电,那么你会看到这样的点评:

No.  You were close, though. If wind energy could provide 21.6 percent of the world’s energy by 2050, that would eliminate 84.6 gigatons of emissions. In comparison, fixing refrigeration would slash 89.7 gigatons in that time frame.(不是最好方案,但很接近。如果风电到2050年占到全球能源消费的21.6%,那么可以这期间累计减排846亿吨。)


——如果你选择少吃肉,那么你会看到这样的点评:

No. But meat is a big contributor to climate change. If half of the people on the planet went vegetarian and followed a 2,500 calorie-per-day meal plan, it would eliminate 26.7 gigatons of emissions by 2050. In comparison, fixing refrigeration would slash 89.7 gigatons in that time frame.(不是最好方案,但吃肉确实是导致气候变化的一个重要因素。如果全球一般人吃素并且每天摄入热量不超过2500卡路里,那么到2050年可累计减排267亿吨。)


—— 如果你选择乘公交出行,那么你会看到这样的点评:

No. If 40 percent of urban travelers put down their car keys and instead took buses, trains or subways, 6.6 gigatons of emissions would be saved by 2050. In comparison, fixing refrigeration would slash 89.7 gigatons in that time frame.(不是最好方案。如果40%的人群放弃汽车选择公交出行,那么到2050年可累计减少排放66亿吨。)


——如果你选择提高空调机效率,那么你会看到这样的点评:

You’re right! Curbing 87 percent of the climate change pollutants found in air-conditioners by 2050 could eliminate 89.7 gigatons of emissions(对,这是最佳方案!提高空调机效率到2050年可累计减排897亿吨,另外减少87%的空气污染物。)


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