(September 28, 2017, 1:17 PM EDT) -- WASHINGTON, D.C. — The Center for Biological Diversity (CBD) and a collection of environmental advocacy groups on Sept. 25 sent a letter to officials in the Trump Administration contending that “rather than defend the modest 2015 BLM [Bureau of Land Management] fracking rule in court, BLM is proposing to essentially abandon all regulation of public lands fracking and leave the issue to the states.”...