A report from environmental advocacy group finds enforcement not keeping pace with shale oil and natural gas production in the United States. Photo by Christopher Halloran/Shutterstock NEW YORK, April 2 (UPI) — A report from the Natural Resources Defense Council finds “it is virtually certain” oil and gas violations are never reported because of inadequate enforcement. NRDC published a report Thursday that says not all violations of oil and natural gas safeguards are detected. “It is virtually certain that some violations are never detected due to inadequate enforcement resources,” the report read. “These violations remain unknown to regulators and the public.” Colorado, one of the states with an emerging shale oil and gas sector, had fewer than 40 inspection staff on hand to survey more than 52,000 wells. The state’s crude oil production from 2007-13 rose 146 percent thanks in part to the Niobrara shale reserve area, which holds […]