Canadian Press: A Greenpeace protest at the massive Shell oilsands mine in northern Alberta ended peacefully Wednesday after 31 hours with an agreement that there will be no charges and no arrests. “Shell has agreed not to pursue criminal charges against the protesters because it does nothing to further the climate change conversation,” John Abbott, Shell’s executive vice president of heavy oil, said in a news release. About two dozen environmental activists from Canada, France and the U.S. …