Featured Projects
Research
From Tech to Table: Moving Sustainable Proteins Beyond Marketplace Bottlenecks, by Andy Fitch and Cynthia Hanawalt (May 2026)
Guilt by (Climate) Association: Imprecision Mars Antitrust Claims Against Institutional Investors’ Emissions Pledges, by Cynthia Hanawalt and Andy Fitch, CPI Chronicle (March 2026).
The Behavioral Effects of Corporate GHG Emissions Disclosures, by Cynthia Hanawalt and Andy Fitch (September 2025)
Varied Legal Parameters Shape Fiduciaries’ Ability to Act on Climate Risk, by Cynthia Hanawalt and Andy Fitch (July 2025)
Shedding Light on Climate Risk in 2025: Upcoming Debates About the SEC’s Climate Disclosure Rule, by Andrew Bernstein, Chloe Field, CynthiaHanawalt, and Lisa Sachs, Columbia Center on Sustainable Investment and Sabin Center for Climate Change Law (November 2024)
ESG Legislation, Regulation, and Legal Implications, by Emma ElizabethAntin Daschbach and Cynthia Hanawalt, in Sustainable Investing: Problems and Solutions, edited by Anatoly Schmidt; World Scientific PublishingCompany (2024)
Shocking Financed Emissions: The Effect of Economic Volatility on the Portfolio Footprinting of Financial Institutions, by Ilmi Granoff and Tonya Lee (May 2024)
Recommendations to Update the FTC & DOJ’s Guidelines for Collaborations Among Competitors, by Cynthia Hanawalt, Denise Hearn, and Chloe Field, Sabin Center for Climate Change Law and Columbia Center on Sustainable Investment (May 2024)
A Comparative Analysis of the SEC’s Climate Disclosure Proposal, by Charlie Assereto and Cynthia Hanawalt, Blue Sky Blog (December 2023)
Decommissioning Liability at the End of Offshore Oil and Gas: A Review of International Obligations, National Laws, and Contractual Approaches in Ten Jurisdictions, by Martin Lockman, Martin Dietrich Brauch, Esteban F. Fresno Rodríguez, and José Luis Gallardo Torres (August 2023)
Modelling Climate Litigation Risk for (Re)Insurers, by Martin Lockman, Columbia Law School, and Sabin Center for Climate Change Law (July 2023)
Antitrust and Sustainability: A Landscape Analysis, by Denise Hearn, Cynthia Hanawalt, and Lisa Sachs, Columbia Center on Sustainable Investment and Sabin Center for Climate Change Law (July 2023)
Transferred Emissions Are Still Emissions: Why Fossil Fuel Asset Sales Need Enhanced Transparency and Carbon Accounting, by Jack Arnold, Martin Lockman, Perrine Toledano, Martin Dietrich Brauch, and Shraman Sen (May 2023)
2023-2026
Moving Sustainable Proteins Beyond Marketplace Bottlenecks: White Paper Release, by Andy Fitch and Cynthia Hanawalt, Climate Law Blog, May 26, 2026
New Article Shows Climate-Alliance Emissions Reductions Are Not Antitrust Output Restrictions, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, April 2, 2026
Worrying Gaps in CA Climate Disclosure Implementation, by Cynthia Hanawalt and Andy Fitch, Legal Planet, March 17, 2026
AG Investigations and Copycat Anti-ESG Legislation Proliferate Despite Losses in Court, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, March 4, 2026
Climate Skeptics Rush to Misuse Texas v. BlackRock, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, December 11, 2025
State AG Attacks on Climate Alliances Still Lack Coherent Antitrust Theories, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, October 28, 2025
The FTC Asserts (and Oversteps) its Antitrust Authority Against a Key Climate Alliance, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, October 27, 2025
Scope 3 Emissions in Corporate Reporting: Calculating Climate Risk in Global Value Chains, by Pedro Aranguez Diaz, Climate Law Blog, October 23, 2025
Corporate Climate Disclosures in the US and EU: An Expanding Regulatory Landscape Amidst Resistance, by Pedro Aranguez Diaz, Climate Law Blog, October 20, 2025
Behavioral Effects of Corporate GHG Emissions Disclosures: A New Sabin Center White Paper, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, September 19, 2025
How Banks Can Lead the Transition Financing Climate Solutions, by Ilmi Granoff, Climate Law Blog, September 18, 2025
State Anti-ESG Movement Evolves to Target Investor Access by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, August 21, 2025
Fiduciary Duties White Paper: Varied Legal Parameters Shape Fiduciaries' Ability to Act on Climate Risk, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, August 5, 2025
When tracking corporate climate conduct, do we focus too much on emissions?, by Ilmi Granoff, Climate Law Blog, August 4, 2025
Uncertainty on Climate Risk Disclosure as Trump's SEC Abdicates Responsibility, by Cynthia Hanawalt and Andy Fitch, Climate Law Blog, July 28, 2025
New Report: Upcoming Debates on the SEC’s Climate Disclosure Rule, by Andrew Bernstein, Chloe Field, and Cynthia Hanawalt, Climate Law Blog,
November 19, 2024
The Anti-ESG Movement Has Not Fared Well in Court, but Critical Decisions Are Pending, by Chloe Field and Cynthia Hanawalt, Climate Law Blog, October 25, 2024
The SEC’s Climate Disclosure Rule Will Reveal Healthcare’s Significant Climate Risk Exposure, by Cynthia Hanawalt and David Introcaso, Climate
Law Blog, July 23, 2024
Major Questions Doctrine Could Thwart SEC Climate Fraud Fight, by Cynthia Hanawalt and Bethany Davis Noll, Bloomberg Law, July 22, 2024
Recommendations to Update the Antitrust Guidelines for Competitor Collaborations, by Cynthia Hanawalt, Denise Hearn and Chloe Field, Climate
Law Blog, May 15, 2024
SEC Should Be Allowed to Equip Investors with Climate Info, by Sarah Goetz and Cynthia Hanawalt, Law360, May 6, 2024
The SEC’s Final Climate Disclosure Rule: Interrogating Preemption and other Coherence with Other Domestic Regimes, by Chloe Field and Cynthia
Hanawalt, Climate Law Blog, March 29, 2024
The SEC’s Final Climate Disclosure Rule: Pathways for Improving the “Floor”, by Chloe Field and Cynthia Hanawalt, Climate Law Blog, March 20, 2024
The SEC’s Final Climate Disclosure Rule: Key Requirements, and the Materiality Threshold, by Chloe Field and Cynthia Hanawalt, Climate Law
Blog, March 11, 2024
Withdrawals From Climate Action 100 Highlight the Wrong Risks, by Cynthia Hanawalt and Denise Hearn, The Hill, February 28, 2024
The SEC’s Final Climate Disclosure Rule Must Respond to Emerging Legal Risks, by Chloe Field and Cynthia Hanawalt, Climate Law Blog, December
11, 2023
The antitrust theories are weak, but the effects can be chilling on corporate collaboration for climate action, by Cynthia Hanawalt and Denise Hearn,
ImpactAlpha, December 4, 2023
A Comparative Analysis of the SEC’s Climate Disclosure Proposal, by Charlie Assereto and Cynthia Hanawalt, Blue Sky Blog (December 2023)
Banking regulators act in the face of headwinds to address climate risk, by Chloe Field, November 10, 2023
The Major Questions Doctrine is a Fundamental Threat to Environmental Protection. Should Congress Respond?, by Mike Burger and Cynthia
Hanawalt, Climate Law Blog, October 19, 2023
Of Pots and Kettles: Big Oil and the anti-ESG movement are accusing banksof running ‘climate cartels,’ by Cynthia Hanawalt and Denise Hearn, Fortune, August 2, 2023
Media
- Four More Sustainability Organizations Targeted by Republican Attorneys General, Trellis, February 17, 2026
- Most US Public Pensions Fail to Invest in Climate Solutions, Green Central Banking, January 22, 2026
