The U.S. Supreme Court vacated a dismissal of a landowner's challenge to a town ordinance on takings grounds. The landowner argued the ordinance, which requires cemeteries on public and private property to be kept open and accessible to the public during daylight hours, effected a taking of her prop...

The Federal Circuit affirmed a dismissal of landowners' lawsuit against the government for flooding that resulted when a federal land conservation program induced an adjacent landowner to build and maintain a levee. The landowners argued that the flooding, which rendered their land unfit for cultiva...

The D.C. Circuit dismissed a petition to review EPA's order denying an environmental group's objection to renewal of a Title V operating permit for a power plant in Utah. The group objected that the renewal permit incorporated requirements in a 1997 Title I preconstruction permit that was based on a...

The D.C. Circuit dismissed in part and denied in part a petition to review EPA's 2016 revisions to its ambient air quality monitoring system regulations. An environmental group argued that the revisions violated the CAA by not requiring states to give advance notice and hold a public hearing when ma...

A state high court affirmed a lower court denial of landowners' and an environmental group's petition to review a decision by the Iowa Utilities Board authorizing a company to use eminent domain to build a crude oil pipeline. The landowners and group argued the pipeline did not serve the "public con...

A district court granted in part summary judgment against EPA for failure to implement its 2016 Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills. Eight states argued that the Agency failed to implement and enforce the guidelines by (1) failing to approve or disapprove exi...

The D.C. Circuit denied downwind states' petition challenging EPA's refusal to expand the Northeast Ozone Transport Region, which consists of states required by the Agency to enact tight restrictions on pollutants that contribute to ozone that drifts across state lines. The downwind states argued th...

The D.C. Circuit granted hydrofluorocarbon (HFC) manufacturers' petitions to review a 2016 EPA rule that rendered certain HFCs unacceptable for various uses in aerosols, motor vehicle air conditioners, commercial refrigerators, and foams. The court found that it was bound by a previous ruling that s...

The Sixth Circuit dismissed environmental groups' petition to review air pollution control permits issued by Ohio's Environmental Protection Agency for two natural gas compressor stations along a natural gas pipeline that runs from Ohio to Michigan. The groups argued that the permits were invalid be...

A district court dismissed a conservation group's suit to block the Department of Homeland Security from constructing a border wall near the National Butterfly Center in southern Texas. The group argued that the Department violated the Fourth Amendment by entering the Center without consent or warra...