但仍有严峻的问题尚未解决。科学家和环保主义者指责七国集团对形势盲目乐观,会想当然地认为到2050年我们还有化石燃料可烧。
On the other hand there are worries from some developing countries about the suggestion that coal should be phased out. It is not clear how poor nations are to be persuaded to ignore the cheapest fuel available in their attempts to develop.
另一方面,面对逐步停用煤燃料的建议,部分发展中国家心存担忧。目前尚不明将如何说服欠发达国家弃用煤这一最为价廉的燃料,毕竟其尚有待发展。
The cost of solar energy is plummeting, and is now competitive with coal in some parts of the world, but it has not yet shown that it can power industries on a large scale.
太阳能的成本不断下降,在世界部分地区与煤能源形成竞争,但尚不能大规模为工业提供能源。
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