Could it be that having all this free energy lying around in fossil fuels offered us a dangerous dose of cultural steroids, the evolutionary equivalent of human growth hormone?
难道化石燃料里的自由能对于我们的文化进化过程，就相当于危险剂量的类固醇类激素对于人类的生长一样吗？
Compared with free electrons, fossil fuels would be seen as ludicrously expensive and dirty, and so carbon emissions would plummet.
相比免费的电能，矿物燃料将被视为可笑的昂贵而肮脏能源，因此炭排放量将骤降。
Any country serious about tackling climate change will therefore want more fossil-fuel-free generation elsewhere in the system.
因此，任何一个认真应对气候变化的国家，都将会希望系统中存在更多的非化石燃料发电。
To calm the fears of the fossil-fuel industry, Waxman reduced the amount of carbon allowances that would be auctioned off to companies, and would give more of them away for free.
要安抚受到惊吓的矿物燃料行业，维克斯曼削减了本应拍卖给这些公司的碳排放限额，而是免费颁发其中的大部分限额。
This resolve has to start with our politicians to adopt and fund a bold plan to free ourselves of fossil fuels.
这个决心不得不从我们的政客能接受并赞助这样一个大胆的计划让我们能够摆脱化石燃料。
It's a major step forward in delivering the reality of carbon-free fossil fuel electricity generation.
这也标志着人类向着实现化石燃料无碳发电迈出了一大步。
Such a breakthrough, combined with enough cast-aside plant matter to sustain it, and possibly some of the plant's oil, would provide for a plastic completely free of fossil fuels.
如果真地实现了这一突破，再加上许多可以用来支持其存在的装置，也许还有一些燃料油，那么也许我们就能完全脱离化石燃料而制取塑料制品了。
Just as animals get buried in rock, these viruses become trapped in the genomes of their hosts. While their free-living relatives continue to evolve, fossil viruses are effectively frozen in time.
正如动物被岩石掩埋一样，这些病毒被困在其宿主的基因组里，而其自由生存的亲缘在不断地进化，它们实际上被时间冻结了。
Unlike such fossil fuels, which release climate-changing carbon dioxide when burnt, nuclear power is "carbon free".
核能与矿物燃料不同，完全没有碳元素，不会在燃烧时释放改变大气的二氧化碳。
You can enjoy four free performances of this "living fossil music" at the temple everyday.
在这里每天有四次免费表演，你可以来欣赏这种“音乐的活化石”。
Transform our Energy Economy: As long as we are dependent on fossil fuels, we need to ensure the security and free low of global energy resources.
只要我们对化石燃料有所依赖，我们就必须确保全球能源资源流动的安全和自由。
Paleozoic "living fossil" freshwater jellyfish, also known as "panda in the water", appears surprisingly in this natural and pollution-free water source.
天然、无污染的水源中惊现古生代“活化石”桃花水母，又称为“水中大熊猫”！
Paleozoic "living fossil" freshwater jellyfish, also known as "panda in the water", appears surprisingly in this natural and pollution-free water source.
天然、无污染的水源中惊现古生代“活化石”桃花水母，又称为“水中大熊猫”！
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