Shale gas is a type of natural gas found deep within the earth in shale rock formations. Shale gas production has been around since the 1800s, but it did not generate much interest until the end of the twentieth century and into the twenty-first century. Shale gas is found all over the world, and the United States has several shale-rich areas located throughout the country. Shale gas is an important energy source for the United States because the country does not have to fully rely on foreign... więcej

Salem Press Encyclopedia of Science, 2023. 3p.