The court affirms a district court grant of summary judgment in favor of a manufacturer alleged to have contributed to a Michigan river's polychlorinated biphenyls (PCB) contamination. An…

The Court holds that several bands of Chippewa Native Americans retain the right to hunt, fish, and gather on lands in Wisconsin and Minnesota that were ceded to the United States in an 1837…

The Court holds that a district court's decision not to admit a tire expert's testimony in a products liability case concerning an allegedly defective tire was within its discretion and…

The court affirms a district court decision that it lacked initial subject matter jurisdiction over a native village corporation's action to quiet title against the United States in property…

The court holds that it has subject matter jurisdiction over an environmental group's Clean Air Act (CAA) citizen suit that alleged emission and reporting violations at a refinery. The court…

The court upholds the Research and Special Programs Administration's (RSPA's) final emergency discharge control rule for cargo tank motor vehicles and its interpretation of the…

The court dismisses environmental groups' petition to review the Federal Energy Regulatory Commission's (FERC's) refusal to initiate an Endangered Species Act (ESA) §7(a)(2)…

The court holds that the slow-no wake motorboat speed limit regulations applicable to the St. Croix River in Minnesota and Wisconsin are not unconstitutionally vague. The regulations require…

The court holds that the passage of the Oil Pollution Act (OPA), which requires single-hulled oil tankers to be retrofitted with double hulls or be phased out of service, did not effect a taking…

The court holds that the Resource Conservation and Recovery Act (RCRA) bars a current property owner's claim for cleanup costs against the property's former owner. The current owner…