Nonprofit Watchdog Files IRS Complaint Against Greenpeace, Seeks Federal Probe - Greenpeace Violates Tax Laws PipeLineNews.org - A nonprofit watchdog group today filed a complaint with the Internal Revenue Service against Greenpeace on Monday, urging the agency to investigate the environmental organization. In a report entitled ``Green-Peace, Dirty Money: Tax Violations in the World of Non-Profits,'' Public Interest Watch detailed how Greenpeace -- one of the nation's most recognizable and visible non-profits -- is knowingly and systematically violating U.S. tax laws. At the heart of the matter is the way in which Greenpeace's complex corporate structure masks its misuse of...