FOXNews.com - Global Warming Advocates Threaten Blizzard of Lawsuits Environmentalists, unable to squeeze "cap and trade" rules through the U.S. Senate, have a new strategy for combating what they believe is man-made global warming: They're going to sue. They're revving up their briefs and getting ready to shop for judges who will be sympathetic to their novel claim that the companies they believe contribute to global warming are a "public nuisance."