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 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 was released on June 5, 2012, by Cinematic Music Group and Def Jam Recordings. As one of the executive producers on the album, Big K.R.I.T. did the production work for the entirety of the project. The album was supported by four singles: "Money on the Floor", "I Got This", "Yeah Dat's Me" and "What U Mean". "Live from the Underground" received generally positive reviews from critics. At Metacritic, which assigns a normalized rating out of 100 to reviews