The Eleventh Circuit held that parties subject to a consent decree may not file claims for cost recovery under §107(a) of CERCLA and that their remedies are limited to filing claims for contribution under CERCLA §113(f).

The Federal Circuit vacated a trial judge's decision requiring the United States to indemnify certain oil companies for environmental cleanup costs under CERCLA.

The Ninth Circuit affirmed a lower court decision denying an environmental group's request to enjoin the implementation of a statute, §1713 of the 2011 Appropriations Act, that orders the Secretary of the Interior to remove a portion of a distinct population of gray wolves from the protection

The Ninth Circuit upheld a consent decree vacating a portion of a National Marine Fisheries Service (NMFS) regulation increasing the limit on incidental interactions between longline fishing boats and loggerhead turtles and reducing the incidental take limits back to preexisting 2004 levels.