Screening at the RPL Theatre tonight at 7 p.m. as a prelude to Right-to-Know Week, which runs Sept. 26-30 and is designed to promote awareness of privacy and access to information rights enjoyed by Canadians, The Last Mountain looks at the battle some environmentally conscious Americans are waging to force a huge coal company in the Appalachia region in West Virginia to stop destroying the beautiful mountains and valleys there. Here’s the trailer.