A district court ruled unconstitutional two Wyoming statutes that impose criminal and civil penalties for data collection on private land or public land accessed via private land. Environmental groups argued that the statutes violated the Free Speech Clause of the First Amendment. The court found th...

The U.S. Supreme Court denied the U.S. government's petition for a writ of mandamus in a lawsuit brought by a group of youths challenging the government's failure to act on climate change and asserting the right to a safe climate. The court found that the government's petition was unwarranted becaus...

A Washington state court dismissed a lawsuit filed by young Washingtonians alleging a right to a clean environment and stable climate. Specifically, plaintiffs argued that the state should be required to submit a greenhouse gas emissions reduction plan because they have a state constitutional right ...

A Minnesota appellate court affirmed a lower court ruling in favor of a county's zoning ordinance that bans all industrial-mineral mining, including silica-sand mining. A silica-sand mining company argued that the ordinance discriminated against its business. But the lower court disagreed, concludin...

A district court granted oil companies' motion to dismiss New York City's case seeking damages for global warming-related injuries caused by greenhouse gas emissions resulting from combustion of the companies' fossil fuels. The companies argued that the city's claims should be dismissed because they...