CALIFORNIA: Fearing 'ripple effect,' national group joins lawsuit contesting cap and trade Anne C. Mulkern, E&E reporter Published: Tuesday, July 9, 2013 A nationwide business group has joined a lawsuit challenging the legality of California's carbon cap-and-trade program. Please subscribe to ClimateWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.