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Aurora Marsh

Aurora Marsh concentrates her practice on energy projects, land use, and natural resources. Aurora brings experience in public infrastructure, water, and the environment within regulatory and litigation frameworks. At the core of Aurora’s work is her comprehensive approach to legal research, which synthesizes doctrines, statutes, regulations, environmental laws, disputes, permitting, and scientific data to best advise clients.

On Sept. 5, 2025, the D.C. Circuit reversed EPA’s 2023 rule rescinding the “startup, shutdown and malfunction” (SSM) affirmative defense under the Title V permitting program. The decision carries implications for Title V programs nationwide and for stationary source regulations more broadly.
Continue Reading DC Circuit Reinstates Title V Emergency Affirmative Defense

On Sept. 4, 2025, EPA released its Semiannual Regulatory Agenda, signaling that the Agency is expected to continue to focus its deregulatory efforts on rules and regulations under the CAA in furtherance of this administration’s policy to increase domestic energy production and supply by easing rules on producers

Continue Reading Recent Federal Developments May Undercut the Clean Air Act