1. New General Water Law and Reform of the National Water Law — Recent changes in water legislation will give rise to potential impacts on the investment landscape and opportunities
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Colorado Approves New Rules Regulating Methane Emissions from Landfills
On Dec. 18, 2025, the Colorado Air Quality Control Commission (Commission) adopted new, state-specific rules to regulate methane emissions from municipal solid waste (MSW) landfills. The Commission originally considered Regulation
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Ninth Circuit Pauses Looming California SB 261 Compliance Deadline; CARB Clarifies Related Guidance
On Nov. 18, 2026, the United States Court of Appeals for the Ninth Circuit issued a preliminary injunction enjoining the enforcement of California’s SB 261, which had an initial
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NYC Local Law 97 Emissions Limits Take Effect. Now What?
NYC Local Law 97 establishes strict carbon emissions limits for large buildings throughout New York City. This blog post examines LL97’s legal implications, including compliance strategies, enforcement risks, and the broader impact on the real estate market.
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EPA Launches Historic Deregulatory Initiative: Key Legal Risks and Strategic Takeaways
On March 12, 2025, EPA Administrator Lee Zeldin announced the agency’s intention to reconsider 31 environmental regulations, describing the effort as the “single most impactful day of deregulation in EPA history.” While the scope of this initiative spans air, water, and climate regulations, the most consequential actions—legally and practically—center on a handful of cross-cutting programs and sector-specific rules.
Montana Supreme Court Holds that State Constitution Protects Youth Plaintiffs’ Right to Protection from Climate Change
Montana is among the states with a constitutional provision recognizing a right to environmental quality, in its case to a “clean and healthful environment.” Mont. Const. art. II, § 3.
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California Air Resources Board Issues Enforcement Update for Climate Disclosure Laws’ Implementation
On Dec. 5, 2024, the California Air Resources Board (CARB) issued an enforcement notice (Notice) regarding Senate Bill (SB) 253, the Climate Corporate Data Accountability Act. In the Notice, CARB
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Latin America Environmental Updates: September and October 2024
This GT Alert highlights significant environmental developments in Latin America from September to October 2024.
Continue reading the full GT Alert.
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Shell Wins Appeal in Dutch Climate Ruling
On 12 November 2024, the Court of Appeal in The Hague handed down its ruling in the appeal proceedings between Shell plc and Milieudefensie, a non-governmental organization. Shell appealed a
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California Modifies Timetable for Implementation of Climate Disclosure Laws
On Sept. 27, 2024, Gov. Gavin Newsom signed into law Senate Bill (SB) 219, delaying implementation of California’s emissions and climate-related financial risk corporate disclosure laws. As we reported
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