The Fourth Circuit vacated the U.S. Army Corps of Engineers' verification that construction of a natural gas pipeline could proceed in West Virginia under the terms and conditions of CWA Nationwide Permit (NWP) 12. Environmental groups argued that the Corps improperly incorporated the state's condit...

A district court vacated nationwide the Applicability Date Rule, which suspended the effect of the Clean Water Rule until February 2020 and required agencies in the interim to apply the pre-Clean Water Rule definition of "waters of the United States." Environmental groups argued that EPA and the U.S...

A district court dismissed a request by environmental groups to compel the State Department to release documents detailing U.S. greenhouse gas emissions as required by the U.N. Framework Convention on Climate Change. The groups sought to compel the submission of two required reports via the APA, and...

A state court dismissed a lawsuit filed by a group of Alaskan youth alleging that the state has contributed to climate change through its actions with respect to fossil fuels and carbon emissions. The group sought declaratory relief that the state's actions violated their fundamental rights to a sta...

A district court dismissed a challenge to EPA's amendment to the 2015 Effluent Limitations Guidelines Rule, which established new limits and standards for various types of waste streams discharged by steam electric power plants. Environmental groups argued that the amendment violated the ESA and NEP...

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...