Instead of relying on ambient solar power—captured in grain, preserved in livestock or photosynthesised into biomass and then consumed as firewood—humanity could burn coal, releasing the prehistoric solar power contained within.

释放其中蕴含的史前太阳能， 而不是依赖周围的太阳能— 人类可以燃烧煤炭，— 从谷物中获取、 保存在牲畜身上或光合作用成生物质然后作为木柴消耗掉。