WASHINGTON, June 11 (TNSpol) -- The Sierra Club issued the following news release: Sierra Club has filed a suit against the Bureau of Land Management (BLM) for approving two coal lease modifications authorizing a 7 million-ton expansion of the Lila Canyon underground coal mine that would cause severe climate damage, impacting air quality, and diminished visibility in natural areas like the Book Cliffs Mountain Range, Turtle Canyon Wilderness area, and the San Rafael Swell. If allowed to go forw  more