Defines geothermal energy and explains where and how it originates, its electric and non-electric uses, the process that changes earth heat into electricity, and the future of this source of energy. This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.