Dec 22 Environment Enviros Sue Over Mining/Stream Buffer Rule A coalition of environmental groups is suing the Environmental Protection Agency in federal court over a recently approved mountaintop removal mining rule change. The old rule required mining companies to keep debris at least a hundred feet away from valley streams. But because of different interpretations of the rule, many miles of streams have already been covered with debris. By Kristin Espeland Dec 22 Environment Enviros Sue Over Mining/Stream Buffer Rule Kristin Espeland