Geothermal Energy
Geothermal energy is the heat from the Earth. It's clean and sustainable. Resources of geothermal energy range from the shallow ground to hot...
Shale Oil and Gas
Although the terms shale oil-gas and tight oil -gas are often used interchangeably in public discourse, shale formations are only a subset of all...
Coal and Mine
Coal is one of the world’s most important sources of energy, fueling almost 40% of electricity worldwide. In many countries this figure is...