A What’s Upstream billboard in Olympia came down Wednesday, and a second one in Bellingham was expected to be removed, a day after the Environmental Protection Agency said the media campaign was an inappropriate use of federal funds that were awarded to a tribe for public education. Swinomish Indian tribe environmental policy director Larry Wasserman said the tribe is taking down the billboards voluntarily. “There has been no violation, but because of the concerns EPA has raised, we’re being responsive until their concerns are addressed,” he said. The tribe and several environmental groups collaborated on What’s Upstream to rally political...