Cross-cutting Issues

489 posts

Two More Courts Uphold Building Decarbonization Laws, Rejecting EPCA Preemption

The number of court decisions upholding building decarbonization laws against federal preemption challenges is growing. After the Ninth Circuit’s decision in California Restaurant Association v. City of Berkeley (Berkeley), building decarbonization laws effectively prohibiting fossil-fuel appliances covered by the Energy Policy and Conservation Act of 1975 (EPCA) appeared to be […]

New Article Shows Climate-Alliance Emissions Reductions Are Not Antitrust Output Restrictions

Corporate coordination to mitigate climate change raises complex questions for competition policy. From a structural antitrust perspective, climate alliances comprised of large asset managers can raise the specter of unaccountable “private governance,” if effectively imposing clean-energy restraints across an entire sector. But from an econometric perspective, which seeks to optimize […]

Regulation of Coastal Weathering in Massachusetts: A New Sabin Center White Paper

Carbon dioxide removal (“CDR”) has become increasingly vital to prevent catastrophic climate change. Even with aggressive cuts to greenhouse gas emissions, atmospheric carbon dioxide concentrations will remain elevated for centuries, continuing to warm the planet and intensify climate impacts. By actively removing and storing carbon dioxide from the atmosphere, CDR […]

A single family home shown in the reflection of water in a street

Housing Reform Without Preemption

Zoning regulations have lately come under fire for making cities less dense and driving up the cost of new homes. State legislatures are increasingly responding by preempting aspects of local zoning authority. But despite its real problems, both now and historically, local zoning power remains an important tool among cities’ […]

Can Europe’s Largest Emitters Be Sanctioned for Climate Harm?

One of the most fundamental questions in climate justice is also one of the most difficult to answer: how can the climate impacts of carbon dioxide emissions generated in one country be made legally sanctionable in another? Those most affected by climate change often lack access to effective remedies, while […]

AG Investigations and Copycat Anti-ESG Legislation Proliferate Despite Losses in Court

Last week, Texas v. BlackRock (E.D. Tex.), the first antitrust case challenging climate collaborations by financial institutions, reached an initial resolution. Texas Attorney General (“AG”) Ken Paxton announced that one of three institutional-investor defendants, Vanguard, had settled. As part of the settlement, Vanguard pledged not to “direct” its portfolio companies’ […]

Defending the Climate Science Reference Guide

  On January 29, 2026, a coalition of 27 state attorneys general, led by West Virginia Attorney General John B. McCuskey, sent a letter to the Federal Judicial Center (FJC) demanding immediate withdrawal of the “Reference Guide on Climate Science” from the Fourth Edition of the Reference Manual on Scientific […]

Supreme Court building

Supreme Court Agrees to Hear Fossil Fuel Companies’ Appeal in Boulder Climate Case but Asks for Briefing on Threshold Jurisdiction Questions

Yesterday the U.S. Supreme Court granted three fossil fuel companies’ petition for a writ of certiorari seeking review of the Colorado Supreme Court’s opinion allowing the County Commissioners of Boulder County and the City of Boulder (together, Boulder) to proceed with their state-law claims that the companies are liable for […]