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在已经过去的20世纪中,人类使用的能源主要有三种,就是原油、天然气和煤炭,而根据国际能源机构的统计,假使按目前的势头发展下去,不加节制,那么,地球上这二种能源能供人类开采的年限,分别只有40年、50年和240年了。四五十年,从人类历史的角度来看,实在是非常非常的短促,试想一下,对于今天20来岁的年轻人来说,到他们六七十岁的时候,如果地球L已经没有原油和天然气可用,我们能不为此
In the 20th century that has passed, there are mainly three types of energy used by mankind, that is, crude oil, natural gas and coal. According to the statistics of the International Energy Agency, assuming the present momentum continues without any restraint, then the two types of earth Energy for human exploitation of the years, respectively, only 40 years, 50 years and 240 years. In 40 or 50 years, from the historical point of view of mankind, it is really very short. Imagine that for today’s 20-year-olds, by the time they are six or seventy, if Earth L has no oil and Natural gas is available, can we not do this