Geothermal energy in the United States Geothermal Data System (NGDS). Through the NGDS, many older paper archives and drill logs that are stored at state geological surveys are now being digitized and made available for free to the public. The underground hot water and steam used to generate geothermal power may contain chemicals that could pollute the air and water if released at the surface. Hydrogen sulfide, which is toxic in high concentrations, is sometimes found in geothermal systems. Newer methods of generating geothermal power separate the hot steam collected underground from the steam used to power turbines, and substantially reduce the risk of releasing air-polluting
Live from the Underground from mainstream publications, the album received an average score of 78, based on 23 reviews. "Spin" named the album the eleventh best hip hop album of 2012. The album debuted at number five on the US "Billboard" 200, with first-week sales of 41,000 copies in the United States. As of August 2012, the album sold 83,000 copies in the United States. All tracks produced by Big K.R.I.T. Sample credits Credits for "Live from the Underground" adapted from AllMusic. Live from the Underground Live from the Underground is the debut studio album by American rapper and record producer Big K.R.I.T.. It