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Donald Ristow is a regulatory lawyer who helps clients resolve complex problems involving the application of environmental requirements at the federal, state, and local levels. He focuses on advancing the regulation of greenhouse gases under the Clean Air Act and the California Global Warming Solutions Act (AB 32), representing and advising clients in litigation, compliance, and commercial matters.

  • Advising covered entities and financial institutions on operation of, and compliance with, the California Cap-and-Trade Program, the Mandatory Reporting Regulation, and related programs.
  • Representing electricity sector clients as petitioners, intervenors, and amici seeking to advance federal climate action in litigation before the D.C. Circuit Court of Appeals, including litigation defending EPA’s Clean Power Plan and challenging its repeal.
  • Represented and advised companies in compliance, enforcement, and permitting matters before a wide cross-section of federal and state environmental agencies, including EPA, CARB, the CEC, the State Lands Commission, the California Coastal Commission, and DTSC, as well as Regional Boards and air districts throughout California.
  • Advised purchasers of CARB offset credits in many transactions on conformance with regulatory protocols and invalidation risk.
  • Represented responsible parties in multi-party negotiations and in implementation of site cleanup process under federal and state law.
  • Represented buyers and sellers in executing timely regulatory transfer of environmental permits and authorizations in equity and asset transactions.
  • Advised infill developers on environmental and land use matters in securing approvals for major mixed-use developments throughout California.

Pro Bono

  • Representing unaccompanied minors in securing legal guardianship and seeking immigration relief from removal to their home country.