# Harvard Environmental Economics Program ## Kenneth Gillingham Talks Carbon Pricing and Climate Policy on“Environmental Insights” [ Read more arrow\_circle\_right ](https://heep.hks.harvard.edu/news/2026/05/yale-university-professor-kenneth-gillingham-talks-carbon-pricing-and-climate-policy) ![Environmental Insights title over a sunflower field with windmill in the background next to Kenneth Gillingham headshot](/sites/g/files/omnuum8116/files/styles/hwp_28_10__1920x685/public/2026-06/Slide%20Show%20Graphic%20for%20Gillingham%20episode.png?itok=2RWEoccD) ## Learn about HEEP HEEP is a university-wide initiative addressing today's complex environmental challenges and is based in the [Harvard Kennedy School](http://www.hks.harvard.edu/)’s [Mossavar-Rahmani Center for Business and Government](http://www.hks.harvard.edu/centers/mrcbg). Learn more by reading director Robert Stavins' [welcome message](/directors-welcome). ## HPCA Conversations on Climate Change and Energy Policy [The Harvard Project on Climate Agreements is conducting a series of virtual forums](https://www.belfercenter.org/conversations-climate-change-and-energy-policy-virtual-forum-harvard-project-climate-agreements) addressing key issues in climate-change and related energy policy. Each forum will feature an expert guest and will be moderated by Robert Stavins, Director of the Harvard Project. We hope you can join us! **Next Scheduled Event:** TBD **To access recordings and transcripts of past events, please go to the** [**HPCA Conversations Series**](https://www.belfercenter.org/conversations-climate-change-and-energy-policy-virtual-forum-harvard-project-climate-agreements) **webpage.** ## Latest News [### Yale University Professor Kenneth Gillingham Talks Carbon Pricing and Climate Policy in the Newest Episode of “Environmental Insights” ](/news/2026/05/yale-university-professor-kenneth-gillingham-talks-carbon-pricing-and-climate-policy) May 25, 2026 CAMBRIDGE MA. – Carbon pricing, energy technology, and the importance of distributional equity in climate policy were the topics of discussion in the newest episode of “ Environmental Insights: Discussions on Policy and Practice from the Harvard... ![Kenneth Gillingham headshot](/sites/g/files/omnuum8116/files/styles/hwp_16_9__480x270/public/2026-06/Gillingham_Kenneth_2022.jpeg?itok=O8Bijsj5) [### Esteemed Urban Economist Matthew Kahn Expresses his Hopes for Climate Adaptation in the Newest Episode of “Environmental Insights” ](/news/2026/04/esteemed-urban-economist-matthew-kahn-expresses-his-hopes-climate-adaptation-newest) April 20, 2026 CAMBRIDGE MA. – 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... ![Matthew Kahn looking forward on white background](/sites/g/files/omnuum8116/files/styles/hwp_16_9__480x270/public/2026-04/Matthew%20Kahn%20headshotpng.png?h=25e67abe&itok=S0zJeD31) [### Harvard Law School Professor Jody Freeman Unpacks the EPA Decision to Rescind the Greenhouse Gas Endangerment Finding in the Newest Episode of “Environmental Insights” ](/news/2026/03/harvard-law-school-professor-jody-freeman-unpacks-epa-decision-rescind-greenhouse-gas) March 02, 2026 CAMBRIDGE MA. – 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... ![Jody Freeman smiling while interviewed looking to the left](/sites/g/files/omnuum8116/files/styles/hwp_16_9__480x270/public/2026-03/images.jpg?h=a7edeb70&itok=O96EH7OT) arrow\_back arrow\_forward [ More arrow\_circle\_right ](/news) ## Environmental Insights Podcast ## Recent Publications Download 3 citations download- [BibTeX](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=bibtex) - [EndNote X3 XML](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=endnote8) - [EndNote 7 XML](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=endnote7) - [Endnote tagged](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=tagged) - [Marc](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=marc) - [PubMedId](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=pubmed_id) - [RIS](/bibcite/export?pager_style=no_pager&number_of_items=3&sort_field=bibcite_year--desc&taxonomy_filters=&&&format=ris) ### 2024 Bistline, John, Kimberly A. Clausing, Neil Mehrotra, James H. Stock, and Catherine Wolfram. “[Climate Policy Reform Options in 2025](/publications/climate-policy-reform-options-2025).” Bistline, John, Kimberly A. Clausing, Neil Mehrotra, James H. Stock, and Catherine Wolfram. “[Climate Policy Reform Options in 2025](/publications/climate-policy-reform-options-2025).” - add\_circle\_outline do\_not\_disturb\_on Abstract - [ descriptionPublisher's Version](https://www.nber.org/papers/w32168) - [ picture\_as\_pdfclimate\_policy\_reform\_opt...](/sites/g/files/omnuum8116/files/heep/files/climate_policy_reform_options_in_2025.pdf) With the expiration of many tax cuts and unmet climate targets, 2025 could be a crucial year for climate policy in the United States. Using an integrated model of energy supply and demand, this paper aims to assess climate policies that the U.S. federal... - [ descriptionPublisher's Version](https://www.nber.org/papers/w32168) - [ picture\_as\_pdfclimate\_policy\_reform\_opt...](/sites/g/files/omnuum8116/files/heep/files/climate_policy_reform_options_in_2025.pdf) ### 2023 Bilal, Adrien, and Esteban Rossi-Hansberg. “[Anticipating Climate Change Across the United States](/publications/anticipating-climate-change-across-united-states)”. *Harvard Environmental Economics Program*, no. dp\_94 (2023): 23-94. Bilal, Adrien, and Esteban Rossi-Hansberg. “[Anticipating Climate Change Across the United States](/publications/anticipating-climate-change-across-united-states)”. *Harvard Environmental Economics Program*, no. dp\_94 (2023): 23-94. - add\_circle\_outline do\_not\_disturb\_on Abstract - [ picture\_as\_pdfdp94\_bilal\_rossi\_hansberg...](/sites/g/files/omnuum8116/files/heep/files/dp94_bilal_rossi_hansberg.pdf) We evaluate how anticipation and adaptation shape the aggregate and local costs of climate change. We develop a dynamic spatial model of the U.S. economy and its 3,143 counties that features costly forward-looking migration and capital investment... - [ picture\_as\_pdfdp94\_bilal\_rossi\_hansberg...](/sites/g/files/omnuum8116/files/heep/files/dp94_bilal_rossi_hansberg.pdf) ### 2022 Aldy, Joseph E., and Zachery Halem. “[The Evolving Role of Greenhouse Gas Emission Offsets in Combating Climate Change](/publications/evolving-role-greenhouse-gas-emission-offsets-combating-climate-change).” Aldy, Joseph E., and Zachery Halem. “[The Evolving Role of Greenhouse Gas Emission Offsets in Combating Climate Change](/publications/evolving-role-greenhouse-gas-emission-offsets-combating-climate-change).” - add\_circle\_outline do\_not\_disturb\_on Abstract - [ picture\_as\_pdfdp92\_aldy-halem.pdf](/sites/g/files/omnuum8116/files/heep/files/dp92_aldy-halem.pdf) As governments, firms, and universities advance ambitious greenhouse gas emission goals, the demand for emission offsets – projects that reduce or remove emissions relative to a counterfactual scenario – will increase. Reservations about an offset’s... - [ picture\_as\_pdfdp92\_aldy-halem.pdf](/sites/g/files/omnuum8116/files/heep/files/dp92_aldy-halem.pdf) [ More arrow\_circle\_right ](/publications)