Associated Press: The Sierra Club and some other environmental groups are harshly criticizing a new partnership that aims to create tough new standards for fracking.
The criticism Thursday came a day after two of the nation's biggest oil and gas companies made peace with some national and regional environmental groups, agreeing to go through an independent review of their shale oil and gas drilling operations in the Northeast.
If Shell Oil, Chevron Appalachia and other companies are found to be abiding by a...