Environmental Insights: Conversations on policy and practice from the Harvard Environmental Economics Program

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

Max Bearak, energy policy and global climate negotiations reporter for the New York Times shared his perspectives on the recently concluded 29th Conference of the Parties (COP 29) of the United Nations Framework Convention on Climate Change (UNFCCC) 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 and hosted by Robert Stavins, A.J. Meyer Professor of Energy and Economic Development at Harvard Kennedy School and director of the Harvard Environmental Economics Program and the Harvard Project on Climate Agreements.

The use of economy-wide and integrated assessment modeling to better understand climate change impacts and policy was the focus of discussion in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program” featuring Karen Fisher-Vanden, the Distinguished Professor of Environmental and Resource Economics and Public Policy at Pennsylvania State University. Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/2024-10/karen-fisher-vanden-podcast-transcript.pdf.

How climate change is impacting American agriculture and land use was the focus of discussion in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program” featuring Wolfram Schlenker, the Ray Goldberg Professor of the Global Food System at the Harvard Kennedy School. The podcast is produced by the Harvard Environmental Economics Program.

The ways in which land use and environmental policies intersect with natural resource sustainability and climate change was the focus of discussion in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program” featuring Charles Taylor, assistant professor of public policy at Harvard Kennedy School. The podcast is produced by the Harvard Environmental Economics Program.

The rise of political populism and economic protectionism are serious barriers impeding efforts to combat global climate change. Robert Lawrence, the Albert Williams Professor of International Trade and Investment at Harvard Kennedy School, expressed those concerns 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.

International relations expert Meghan O'Sullivan, the Jeane Kirkpatrick Professor of the Practice of International Affairs at Harvard Kennedy School, expressed her hopes for achieving successful international 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. Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/files/publication/osullivan-podcast-transcript-v2.pdf

Behavioral economist Hunt Allcott, Professor of Global Environmental Policy at the Doerr School of Sustainability at Stanford University, questioned the impact of new and used electric vehicle (EV) subsidies 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 transcription of the podcast here: https://www.belfercenter.org/sites/default/files/files/publication/hunt-allcott-podcast-transcript.pdf.

UCLA Law School Professor Kimberly Clausing gives the Biden Administration high praise for its climate 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 the podcast: https://www.belfercenter.org/sites/default/files/files/publication/kim-clausing-podcast-transcript.pdf.

Eminent Harvard economist Richard Zeckhauser presented arguments for additional climate adaptation measures 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/files/publication/richard-zeckhauser-podcast-transcript.pdf

Amy Harder, the founding Executive Editor of the climate policy publication Cipher News, expressed her surprise with several positive outcomes from the recent 28th Conference of the Parties of the United Nations Framework Convention on Climate Change (COP 28) in Dubai during a special 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/files/publication/amy-harder-podcast-transcript.pdf

With 28th Conference of the Parties (COP 28) of the United Nations Framework Convention on Climate Change well underway, Jonathan Banks, the global director of the Methane Pollution Prevention Program at the Clean Air Task Force (CATF), is the guest in a special mid-COP 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 interview: https://www.belfercenter.org/sites/default/files/files/publication/jonathan-banks-podcast-transcript.pdf

With the start of the 28th Conference of the Parties (COP 28) of the United Nations Framework Convention on Climate Change just days away, environmental economist Nat Keohane is expressing optimism that the new global stocktake will incentivize participating nations to step up their collective efforts to slow the rise of global temperatures. Keohane is the guest in a special pre-COP 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/files/publication/nat-keohane-podcast-transcript.pdf

Economic historian Emma Rothschild, the Jeremy and Jane Knowles Professor of History at Harvard, lauded the efforts of young scholars to discover local solutions to mitigate the impacts of global climate change in the latest 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.

Michael Toffel, Senator John Heinz Professor of Environmental Management and Professor of Business Administration at Harvard Business School (HBS), discusses the many ways in which business and governments can and are working together to address climate change in the latest 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 interview: https://www.belfercenter.org/sites/default/files/files/publication/michael-toffel-podcast-transcript.pdf

Energy economist Severin Borenstein, Professor of the Graduate School at the Haas School of Business at the University of California, Berkeley, discussed the many significant challenges facing the nation's electricity power sector in the latest 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/files/publication/severin-borenstein-podcast-transcript.pdf

Energy economist Karen Palmer, renowned for her research on the nation's electric power sector, shared her insights on electricity regulation and deregulation, carbon pricing, and climate change policy in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program.” Read a transcript of the interview: https://www.belfercenter.org/sites/default/files/files/publication/karen-palmer-podcast-transcript.pdf

Resource economist UC Berkeley Professor Meredith Fowlie spoke about the complex regulatory challenges and ‘just transition' dynamics of climate policy in the latest 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/files/publication/meredith-fowlie-podcast-transcript.pdf

Renowned environmental economist Kathleen Segerson, who in addition to her academic and scholarly research and teaching has served on numerous state, national, and international advisory boards, expressed her frustration with the political polarization of climate policy 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 interview: https://www.belfercenter.org/sites/default/files/files/publication/kathleen-segerson-podcast-transcript-6-1-2023.pdf

Esteemed economist Geoffrey Heal lauded recent technological advancements while also expressing his frustration with the impact of international efforts to combat climate change policy during 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/files/publication/geoffrey-heal-podcast-transcript.pdf.

Visionary environmental regulator Mary Nichols, whose groundbreaking work as Chair of the California Air Resources Board (CARB) helped pave the way for many of the nation's current environmental laws and regulations, shared her perspectives on her California and Washington D.C. experience during 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 here: https://www.belfercenter.org/sites/default/files/files/publication/mary_nichols_podcast_transcript.pdf.

Harvard University Professor James Stock, who serves as Harvard's inaugural Vice Provost for Climate and Sustainability and director of the new Salata Institute for Climate and Sustainability, expressed his hopes for a smooth domestic energy transition during 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 interview here: https://www.belfercenter.org/sites/default/files/files/publication/james-stock-podcast-transcription-v2.pdf

Having served as the Deputy Assistant Secretary for Climate & Energy Economics in the U.S. Department of the Treasury in 2021-2022, Catherine Wolfram has some particularly relevant insights to offer on the development and implementation of climate change policy. Wolfram is the Cora Jane Flood Professor of Business Administration at the Haas School of Business at the University of California, and is currently on leave at the Harvard Kennedy School. She discussed her time in government service and her thoughts and hopes for a carbon pricing scheme during the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/catherine-wolfram-podcast-transcript.pdf

While the Paris Agreement provides the framework for the nations of the world to slow the growth of CO2 emissions, additional policy and technological tools will have to be deployed to meet the challenge of climate change. That's the perspective expressed by Daniel Bodansky, the Regents' Professor of Law at the Sandra Day O'Connor College of Law at Arizona State University, during the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.

Agreement by negotiators at the 27th Conference of the Parties (COP-27) of the United Nations Framework Convention on Climate Change (UNFCCC) in Sharm El Sheikh, Egypt earlier this month on an international fund to provide funding for small nations suffering from climate change was a significant outcome. Yet the inability to achieve substantive commitments by nations to increase their Nationally Determined Contributions (NDCs) was a disappointment. That's the perspective offered by Billy Pizer, the Vice President for Research and Policy Engagement at Resources for the Future, during the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the podcast here: https://www.belfercenter.org/sites/default/files/files/publication/billy-pizer-podcast-transcript-november-2022-2v.pdf

The negotiators gathering this week for the 27th Conference of the Parties of the United Nations Framework Convention on Climate Change (COP-27) in Sharm El Sheikh, Egypt will tackle a multitude of important issues, with questions relating to increased ambition and financial reparations among those at the top of the agenda. That's the perspective offered by Ray Kopp, Senior Fellow at Resources for the Future, during the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the transcript of this podcast here: https://tinyurl.com/mtbrpk26.

The explosion of youth climate activism in recent years has focused the world's attention on the problem like never before, but Michael Greenstone, the Milton Friedman Distinguished Service Professor of Economics at the University of Chicago, argues that young activists often err by trying to turn climate change into a moral issue rather than an environmental one. Greenstone shared his thoughts during the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/michael-greenstone-podcast-transcript-oct-6-2022.pdf

Daniel Jacob, the Vasco McCoy Professor of Atmospheric Chemistry and Environmental Engineering at Harvard, shared his perspectives on methane and its sources, transport, and measurements in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.

With so many of the nation's environmental regulations being tested in the courts, technological solutions may be the most promising way to address climate change. That was the opinion offered by environmental lawyer Jeffrey Holmstead in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the podcast transcription here: https://www.belfercenter.org/sites/default/files/files/publication/jeff-holmstead-environmental-insights-podcast-transcript-8-8-2022.pdf.

The post-pandemic demand for energy combined with the war in Ukraine and subsequent gas shortages have created a global energy crisis. That is the assessment offered by renowned global energy expert Daniel Yergin in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the podcast transcription: https://www.belfercenter.org/sites/default/files/files/publication/dan-yergin-environmental-Insights-podcast-transcript-july-5-2022.pdf

There will be bumps on the road as America transitions to a clean power system. That's the assessment offered by Lori Bennear, the Juli Plant Grainger Associate Professor of Energy Economics and Policy at the Nicholas School of the Environment at Duke University, in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. See a transcript of the podcast here: https://tinyurl.com/be4uhktf

Jonathan Wiener, the William and Thomas Perkins Professor of Law at Duke Law School, shared his insights on the prospects for federal fiscal, legislative, and regulatory instruments to positively impact climate policy in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/jonathan_wiener_environmental_insights-podcast-transcription_2.pdf

Orley Ashenfelter, the Joseph Douglas Green 1895 Professor of Economics at Princeton University, outlined both the positive and negative impacts of climate change on grape growing and the wine industry in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program." Read a transcription of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/orley-ashenfelter-podcast-transcript-4-8-2022.pdf

Maureen Cropper, Distinguished University Professor of Economics at the University of Maryland, makes a compelling case in favor of updating the social cost of carbon in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/maureen-cropper-podcast-transcript.pdf

Paul Joskow, the Elizabeth and James Killian Professor of Economics emeritus at MIT and former President and CEO of the Alfred P. Sloan Foundation in New York City, shared his thoughts on U.S. regulatory economics and climate change policy in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the podcast: https://www.belfercenter.org/sites/default/files/files/publication/joskow-podcast-transcript.pdf

Navroz Dubash, professor at the Centre for Policy Research in New Delhi, made a compelling argument on behalf of the power of international institutions and national politics to guide climate policy in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/navroz-dubash-environmental-insights-podcast-transcript.pdf

Energy economist Gilbert Metcalf, Professor of Economics at Tufts University, makes the argument for pragmatic climate change policies that will withstand the political divisions in Washington in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcription of the conversation here: https://www.belfercenter.org/sites/default/files/files/publication/gilbert-metcalf-podcast-transcript.pdf

Robert Pindyck, the Bank of Tokyo-Mitsubishi Professor of Economics and Finance at MIT's Sloan School of Management, presented his case for additional research on climate adaptation and the social costs of climate change in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcript of the interview here: https://www.belfercenter.org/sites/default/files/files/publication/robert-pindyck-podcast-transcript.pdf

Sheila Olmstead, professor of public affairs at the LBJ School of Public Affairs at the University of Texas, Austin, shared her thoughts on US water policy and environmental justice in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the interview transcript here: https://heep.hks.harvard.edu/files/heep/files/sheila_olmstead_interview_transcript_01.pdf.

Suzi Kerr, the chief economist at the Environmental Defense Fund (EDF) and founder of the MOTU Economic and Public Policy Research think tank in her home country of New Zealand, shared her perspectives on international climate change policy in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the transcript here: https://heep.hks.harvard.edu/files/heep/files/suzi-kerr-podcast-transcript.pdf.

Stanford University Professor Lawrence Goulder analyzed the different policy options available for addressing climate change in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the interview transcript here: https://www.belfercenter.org/sites/default/files/files/publication/larry-goulder-podcast-transcript.pdf

John Holdren, former director of the White House Office of Science and Technology Policy, expressed his optimism in the Biden Administration's approach to climate policy in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the podcast transcript here: https://www.belfercenter.org/sites/default/files/files/publication/john-holdren-environmental-insights-podcast-transcript.pdf

Gernot Wagner, Clinical Associate Professor at New York University and former economist at the Environmental Defense Fund, shared his thoughts on the impact of politics on climate policy in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read the transcription here: https://www.belfercenter.org/sites/default/files/files/publication/gernot-wagner-environmental-insights-podcast-transcription.pdf.

A discussion on energy and climate policy with John Graham, dean emeritus and still a professor at the Paul O'Neill School of Public and Environmental Affairs at Indiana University, and former Administrator of the Office of Information and Regulatory Affairs (OIRA). See a transcript of the conversation here: https://heep.hks.harvard.edu/files/heep/files/john_graham_podcast_transcript_5.7.2021.pdf .

Jody Freeman, the Archibald Cox Professor of Law at Harvard Law School, and founder of the school’s Environmental and Energy Law Program, offered both a sharp rebuke of the Trump Administration’s climate policies and a hopeful outlook for the Biden Administration’s clean energy agenda in the newest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. Read a transcription here: https://www.belfercenter.org/sites/default/files/files/publication/jody-freeman-podcast-transcription.pdf

William Hogan, the Raymond Plank Research Professor of Global Energy Policy and director of the Harvard Electricity Policy Group, outlined the causes and consequences of the recent Texas energy crisis in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program. See a transcription of the interview here: https://tinyurl.com/3n2adu32.

Daniel Esty, the Hillhouse Professor of Environmental Law and Policy at Yale University and author of the new book, “Values at Work: Sustainable Investing and ESG Reporting,” expressed his optimism for the prospects of climate policy in the Biden Administration in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.

Richard Revesz, the Lawrence King Professor of Law at New York University and co-founder of the Institute for Policy Integrity, shared his thoughts on how the transition to a new presidential administration later this month will impact US environmental and climate change policy in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.

Spencer Dale, the group chief economist at BP, expressed his hopes for a strategic “energy transition’’ within the oil-and-gas industry in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program,” a podcast produced by the Harvard Environmental Economics Program.

New York Times reporter Coral Davenport shared her thoughts on how climate policy – both domestically and internationally – may be impacted by the outcome of this month’s U.S. elections in the latest episode of “Environmental Insights: Discussions on Policy and Practice from the Harvard Environmental Economics Program."