A U.S. appeals court has temporarily halted the construction of Kinder Morgan's 32-mile Cumberland Project gas pipeline in Tennessee, responding to concerns raised by environmental groups Appalachian Voices and Sierra Club. The Cincinnati-based 6th U.S. Circuit Court of Appeals issued a 2-1 ruling that suspends the necessary approvals and permits, including a water quality certification from the Tennessee Department of Environment and Conservation and a permit from the Army Corps of Engineers. The environmental organizations argue that the pipeline could significantly harm local ecosystems and water quality. Further hearings are scheduled for December, where the court will evaluate the environmental concerns more thoroughly. Kinder Morgan has expressed disagreement with the court's decision and is reviewing its options for moving forward. The future of the Cumberland Project remains uncertain as the legal process unfolds.