• Shifting Gears: How We Pay for Transportation, Why It’s Not Working, and How to Fix It Frontier Group/US PIRG, March 2022. (With Tony Dutzik)
  • Transform Transportation: Strategies for a Healthier Future
    Frontier Group/USPIRG, March 2021. (With Gideon Weissman)
  • New Life for the Ocean: How Marine Protections Keep our Waters Wild
    Frontier Group/Environment America, February 2021
  • Blueprint for America
    Frontier Group/USPIRG/Environment America, November 2020. (With Gideon Weissman, Bryn Huxley-Reicher, Jamie Friedman and Adrian Pforzheimer)
  • Protecting the Places We Love: How the LWCF Supports Outdoor Recreation in Nevada
    Frontier Group/Environment Nevada, January 2020.
  • Electric Buses in America: Lessons from Cities Pioneering Clean Transportation
    Frontier Group/USPIRG, October 2019.
  • Growing Greener: the Environmental Benefits of a Compact and Connected Boulder 
    Frontier Group/Environment Colorado, 2019. (With Abi Bradford, Danny Katz, Travis Madsen and Mathew Frommer)

Selected Blog Posts

Books and Articles

Reference works