世界各地向可再生能源转移的势头正在加快：目前，可再生能源在已上线新能源中已经超过一半。
The move to renewables is picking up momentum around the world: they now account for more than half of new power sources going on line.
20%的数字配合了世界其他范围的研究者的估算，这是关于究竟有多少新能源能成为混合能源的一部分。
The 20 percent figure matches the estimates of other researchers in other parts of the world on how much renewables could become part of the energy mix.
现在的问题并非世界已无能源可采，而是开采新能源变得更昂贵了。
The problem now is not that the world is running out of energy but that the new sources of energy are more expensive to exploit.
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