A district court granted Boulder County's motion to remand to state court its lawsuit against energy companies for causing, contributing to, and exacerbating climate change. The companies argued the challenge belonged in federal court because it threatened to interfere with long-standing federal pol...

The D.C. Circuit granted in part and denied in part a petition challenging EPA's update to the Cross-State Air Pollution Rule. Environmental groups and Delaware argued that EPA violated the CAA by failing to require upwind states to eliminate their significant contributions in accordance with the de...

The D.C. Circuit upheld EPA's implementation of its Renewable Fuel Standards Program, which requires transportation fuel sold in the United States to contain a minimum volume of renewable fuels. Some industry groups argued that EPA arbitrarily refused to revise its 2010 point of obligation rule that...

A district court granted Rhode Island's motion to remand to state court a challenge against energy companies for contributing to climate change. The state argued its challenge should be removed back to state, where it was initially brought, to seek relief for the damage the companies had and would i...

A district court dismissed a lawsuit brought by nonprofit groups and individuals alleging that climate change and the U.S. government's failure to protect them from the effects of climate change violated their constitutional right to a safe and sustainable environment. Plaintiffs argued the governme...