Scientists like James Hansen tell us we may need to eliminate net CO2 emissions from the economy in just a few decades. I wanted to know what that would take, so I worked with professor Jorgen Randers from Norway to find the answer.
包括詹姆士.汉森在内的科学家告诉我们， 我们可能需要几十年的时间 来消除经济中的二氧化碳排放。 我想弄清楚如何才能实现这个目标。 于是，我与挪威的约根.兰德斯教授合作 去找答案。