People for the Ethical Treatment of Animals (PETA) filed two amicus briefs in support of the US Environmental Protection Agency (EPA) after environmental and other groups sued the agency. The first case, Safer Chemicals Healthy Families et al v. US Environmental Protection Agency et al, before the US Court of Appeals for the Ninth Circuit, revolves, in part, around whether the agency, when evaluating the risks posed by an existing chemical, has discretion under the Toxic Substances Control Act (...