Around the world, greens are increasingly taking their battle against global warming to the courts. While obstacles are enormous, plaintiffs are making headway in some cases, and the lawsuits are ratcheting up pressure on politicians to impose mandatory curbs on emissions and forcing companies to change their products or improve their public images...Companies such as Boeing and General Motors already are using advertisements to boast about the fuel efficiency of their new planes and cars...[also refers to Centennial Hunter (part of Centennial Coal, General Motors, Daimler Chrysler, Ford, Honda, Nissan, Toyota]