Massachusetts AG submitted comments to Federal Energy Regulatory Commission and a study opposing a proposed natural gas pipeline that would have run through New England.

California AG intervened in and helped to settle litigation surrounding an industrial project that was expected to increase diesel truck traffic in a predominantly Latino residential area.

Multi-state challenge to a Nuclear Regulatory Commission rule on storage of spent nuclear fuel, resulting in a decision that the rule was a major federal action that requires the agency to either make a finding that the action would have no significant environmental action or issue an environmental impact statement.

California AG intervened in a suit attempting to require the San Diego Association of Governments (SANDAG) Regional Transportation Plan to consider climate change in its long term planning decisions.

New Jersey and environmental groups sued the Army Corp. for not supplementing their EIS after an oil spill in the Delaware River.

Delaware and New Jersey brought action pursuant to the APA to challenge a decision made by the US Army Corp of Engineers to proceed with a dredging project to deepen the main navigation channel of the Delaware River without obtaining requisite approval pursuant to the CWA, CAA, CZMA, and Delaware code.

The State of California entered into a landmark climate change settlement with San Bernardino County setting forth a specific greenhouse gas reduction plan.