太阳能，风能和波浪能全部来自太阳，而锁定在地球本身的热量则提供了另一种巨大的潜在能源。从历史上看“geothermal” power could be converted into electricity only in those rare locations where natural fissures allowed water to flow into deep hot rock and come to the surface at temperatures high enough to generate steam. Now an innovator in Alaska has developed the first low-temperature 地热 power plant, which 联合技术 is commercializing for worldwide sale.
看看我的 short video on 地热 power 了解更多。
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