“…Such attribution becomes very challenging, especially with multiple polluters. 16 Following the logic of the Pennsylvania Supreme Court, judges reduced damage awards, or even denied any liability for damages, because they did not want to burden American industry (Goldstein 2010;Lewin 1989). 16 Many jurisdictions even barred recovery when liability could not be divided among multiple polluters (e.g., Walters v. Prairie Oil & Gas Co., 204 P. 906, Okla. 1922).…”