New York's high court dismissed the state's securities fraud lawsuit concerning an oil company's accounting of climate change risks. The state argued that the company made misrepresentations and omissions that were material to its investors about how climate change would affect its business by using...

A state appellate court reversed the Minnesota Pollution Control Agency's decision to reissue a NPDES permit for an iron ore mine in northeast Minnesota. An environmental group and Indian band challenged the decision, arguing that the agency erred in its interpretation of the CWA and that the permit...

A district court held that environmental groups lacked standing in their challenge to EPA's exclusion of certain waste treatment systems from the definition of navigable waters under the CWA. The groups argued that they had representational standing to challenge the exclusion, relying on declaration...

A district court upheld EPA's interpretation that the CWA does not regulate discharges into groundwater that is hydrologically connected to navigable waters in a lawsuit concerning a wastewater treatment facility on Cape Cod. An environmental group argued that the facility was discharging pollutants...