在我们脚下的地球中有一个巨大的能源宝库,除了我们熟知的石油、煤和天然气外,还有一个我们关注较少的能源。这种新能源不仅储量大,而且污染很小,这种日渐受到重视的能源就是地热。目前,水电、石油、煤和天然气还是世界上主要的能源,然而这些能源并非是可持续发展的绿色能源,其使用时极大地污染着我们的生存环境。最近,德国能源部门希 There is a huge treasure trove of energy in the Earth under our feet, and besides our well-known oil, coal and natural gas, there is another source of energy that we are less interested in. This new energy not only reserves large, but pollution is very small, this increasingly valued energy is geothermal. At present, hydropower, petroleum, coal and natural gas are still the main energy sources in the world. However, these energy sources are not sustainable green energy sources, and their use greatly pollutes our living environment. Recently, the German energy sector hopes