Natural fuels are impossible to come by: coal must be mined and quarried, while oil and gas must be processed by fracturing the Earth or the ocean floor. Much of this pollutes the air and water, and it also puts miners and drillers at risk.
By far the worst oil tragedy has occurred in the Gulf of Mexico. After all, the Gulf's flora and fauna, as well as its coastline, suffered as a result.
Although fossil fuels were thought to be limitless, they only lasted about 100 years. Since these fuels are not green, public interest in alternative fuels continues to grow. One of the alternate fuels is found deep inside our planet's crust.
It is called geothermal energy. Earlier methods of extraction of earth thermal energy included the drilling of the planet surface near geological faults and mining of underground warm water to provide power stations and even entire cities. The temp of this water reaches 149 ° C or higher.
For millions of years, our world has accumulated solar energy. In other words, half of the sun's energy was consumed by the earth and eventually released. It's a heat storage accumulator or tank. The accumulated energy, though, is hot enough to be used as a source of energy.
Domestic geothermal heating has recently become feasible. Water is piped down to consume our planet's heat before climbing back up to unleash it. While geothermal pumps have higher initial costs than electric or gas pumps, house owners and maintenance firms should be assured that these costs can be repaid.
The average service life of the geothermal pump is 22 years, which is 2 times more than the service of electric pumps. Expenses will be only for pump maintenance and actually for pumping water but heat itself provided free by the Sun.
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