The U.S. Environmental Protection Agency's (EPA) Office of Inspector General (OIG) recently provided two assessments of EPA's weaknesses in enforcing water and air programs. The OIG cited management problems at the federal and regional levels that largely indict the Bush administration's lax approach to environmental enforcement.

Unprecedented regulatory proposals and a paradigm-shifting federal court ruling are converging to put big polluters on the hook for their contributions to global warming. The developments raise the stakes for Congress as it considers whether to curb greenhouse gas emissions and how to do so.

The U.S. Chemical Safety Board's (CSB) investigation into the cause of a fatal 2008 explosion at a Georgia sugar refinery concludes that the Imperial Sugar Company and its managers did not take corrective actions to prevent dust explosions, even though they knew of potential hazards. The initial blast and subsequent dust explosions throughout the plant killed 14 workers and injured 36.