Carbon Pricing and Climate Policy: A Conversation with Yale Professor Ken Gillingham

Kenneth Gillingham, Professor of Economics at the Yale School of the Environment, is the guest on this week's episode. Drawing upon his expertise in applied microeconomics, behavioral economics, industrial organization, and integrated assessment modeling of climate change, he and host Robert Stavins discuss carbon pricing mechanisms, energy policy, and the importance of distributional equity in designing climate policy. The podcast is produced by the Harvard Environmental Economics Program. Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/2026-05/ken-gillingham-podcast-transcript-may-2026.pdf

Matthew Kahn, Provost Professor of Economics at the University of Southern California (USC), and one of the world's leading authorities on the intersection of urban economics, environment, and climate change, expressed his support for climate adaptation policies in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” The podcast is produced by the Harvard Environmental Economics Program. Read a transcript of this episode: https://www.belfercenter.org/sites/default/files/2026-04/matthew-kahn-podcast-transcript-april-2026.pdf

The U.S. Environmental Protection Agency’s (EPA) decision to rescind the 2009 Greenhouse Gas Endangerment Finding is drawing sharp rebuke from scientists and environmental advocates, but the decision may not withstand challenges in the courts. That’s the assessment offered by Jody Freeman, the Archibald Cox Professor of Law at Harvard Law School, in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” The podcast is produced by the Harvard Environmental Economics Program. Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/2026-03/jody-freeman-podcast-transcript-march-2026.pdf

Esteemed energy economist Catherine Wolfram shared her thoughts on the 30th Conference of the Parties of the United Nations Framework Convention on Climate Change (COP30) and on the prospects for climate coalitions to significantly reduce CO₂ emissions in this episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” The podcast is produced by the Harvard Environmental Economics Program. Read a transcript of this episode here: https://www.belfercenter.org/sites/default/files/2025-12/catherine-wolfram-podcast-transcript-december-2025.pdf

Longtime national political advisor John Podesta shared his insights on climate policy, the challenges of securing bipartisan support, and the global push toward clean energy in this episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” Read the transcript of this episode: https://www.belfercenter.org/sites/default/files/2025-09/john-podesta-podcast-transcript-september-2025.pdf

A rising star in the field of environmental economics, Anna Russo, a Junior Fellow with the Harvard Society of Fellows, shared her unique perspective on the collaborative environment at Harvard, her research methodology likened to solving puzzles, and the importance of combining diverse data sources to derive meaningful insights in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/2025-09/anna-russo-podcast-transcript-september-2025.pdf

In this episode, Rob speaks with Elaine Buckberg, Senior Fellow at Harvard's Salata Institute for Climate and Sustainability, about the future of the EV market, both domestic and international. Read the transcript of this episode: https://www.belfercenter.org/sites/default/files/2025-07/elaine-buckberg-podcast-transcript-july-2025.pdf

In this episode, Rob speaks with Nicholas Burns, the Roy and Barbara Goodman Family Professor of the Practice of Diplomacy and International Relations at Harvard Kennedy School about his time serving as U.S. Ambassador to China and on his perspectives about bilateral efforts to address climate change. Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/2025-06/nick-burns-podcast-transcript-june-2025.pdf. Photo credit: Grace DuVal/Harvard University

Rob speaks with Joseph Aldy, the Teresa and John Heinz Professor of the Practice of Environmental Policy at Harvard Kennedy School, about the myriad ways in which the new Trump administration could impact domestic climate, energy, and environmental policy. Read a transcript of the podcast here: https://www.belfercenter.org/sites/default/files/2025-03/joseph-aldy-podcast-transcript-march-2025.pdf

Vijay Vaitheeswaran, the global energy and climate innovation editor at The Economist, expressed his appreciation for bottom-up climate policy solutions in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” The podcast is produced by the Harvard Environmental Economics Program (HEEP) and hosted by HEEP Director Robert Stavins. Read a transcript of the episode: https://www.belfercenter.org/sites/default/files/2025-01/vijay-vaitheeswaran-podcast-transcript.pdf