InsideClimate: Thousands of miles of pipelines are being built at natural gas drilling sites throughout the nation without supervision or regulation by state or federal authorities.
These specialized pipelines, known as gathering lines, carry gas from wells to nearby separation facilities for processing. Many of the pipes are as large as regulated pipelines and operate at the same or higher pressures. Some run close to homes and businesses.
Of the nation's 240,000 miles of gathering lines [3], only about...