Inter Press Service: A paper mill that runs without fossil fuels and has a neutral carbon footprint? That’s the goal for Flambeau River Papers in Park Falls, Wisconsin, and the company is already on its way, thanks to a switch to biomass fuel, plus a biorefinery in the works. In timber-rich Wisconsin, paper mills have been a major industry since the 1800s. Small mills, suffering from the recession and high energy costs, are now shutting down, creating economic devastation for towns like Park Falls, where …