A district court denied the Biden Administration's motion to stay an ongoing climate change lawsuit brought by 21 young people. The U.S. government argued the suit must be stayed because there was a substantial likelihood the Ninth Circuit would grant its petition for mandamus. The court found the g...

The Ninth Circuit granted the Biden Administration's mandamus petition to dismiss an ongoing climate change lawsuit brought by 21 young people. Plaintiffs initially argued that the U.S. government, by failing to adequately respond to the threat of climate change, violated a "right to a stable climat...

The D.C. Circuit denied environmental groups' petition to review FERC's certification of an interstate natural gas pipeline expansion project. The groups argued FERC violated NEPA by failing to consider the full scope of the project's environmental effects because the EIS did not include four other ...

The U.S. Supreme Court unanimously held that the Takings Clause does not distinguish between legislative and administrative land use permit conditions, in a lawsuit concerning a traffic impact fee as a condition of building a prefabricated home on a parcel of land. The landowner challenged the fee a...

The U.S. Supreme Court unanimously held that Texas property owners should be permitted to pursue claims under the Takings Clause through an inverse-condemnation cause of action available under Texas law. Over 120 property owners argued that a Texas highway elevation and expansion project, which buil...

A district court granted summary judgment for 21 states in a challenge to the Federal Highway Administration's (FHwA's) rule requiring each state to set declining targets for tailpipe carbon dioxide (CO2) emissions from vehicles on the National Highway System. The states argued requiring automobile ...

The Fifth Circuit denied environmental groups' petition to review DOT's approval of a license to construct and operate a large deepwater oil facility off the Texas coast. The groups argued the final EIS applied a "flawed" alternatives analysis and "grossly underestimated" the facility's environmenta...

The D.C. Circuit denied an environmental group's petitions to review FERC's decision to grant time extensions for two developers to complete natural gas pipeline projects. The group argued FERC was too permissive in finding "good cause" to grant the extensions. The court found FERC followed its reas...