Natural gas delivery systems do have issues and concerns. Natural gas in itself mainly consists of methane which is considered a greenhouse gas. This is bad for the environment overall. The storage, transportation, etc contribute to 4 percent of total US methane emissions. Drilling a natural gas well on land may require clearing and leveling an area around the well site. Well drilling activities produce air pollution and may disturb people, wildlife, and water resources. Laying pipelines that transport natural gas from wells usually requires clearing land to bury the pipe. Natural gas production can also produce large volumes of contaminated water. This water requires proper handling, storage, and treatment so that it does not pollute land and other waters. Natural gas wells and pipelines often have engines to run equipment and compressors, which produce air pollutants and noise.
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