States, Advanced Reactor Developer Challenge NRC’s Authority to License Advanced Reactors

The outcome of a lawsuit filed at the end of 2024 challenging the U.S. Nuclear Regulatory Commission’s (“NRC’s or the Agency’s”) authority under a 1956 rule to license certain nuclear facilities could have important implications for advanced reactor licensing processes and the supply of electricity in the U.S. in the years ahead.

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Top 5 Energy Actions You Should Know from President Trump’s First Day

On January 20, 2025, President Trump began his second term with the signing of 26 executive orders (EOs), which included the recission of almost 80 EOs of the previous administration. Trump’s orders contain both repeals of key Biden Administration policies and calls to agency action to reassess treatment of major energy issues associated with domestic energy production. Here are the top five actions to know from President Trump’s first day as the new administration begins its reshaping of U.S. energy policy for his second term in office.

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Top 5 Environmental Actions You Should Know from President Trump’s First Day

On January 20, 2025, President Trump began his second term with the signing of 26 executive orders (EOs), which included the recission of almost 80 EOs of the previous administration. Trump’s orders contain both repeals of key Biden Administration policies and calls to agency action to reassess treatment of major environmental issues associated with motor vehicles, energy development, and climate change. Here are the top five actions to know from President Trump’s first day as the new administration begins its reshaping of U.S. environmental policy for his second term in office.

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Federal Government Withdraws Proposed Climate Disclosure Requirements for Federal Contractors

On January 13, 2025, the federal government withdrew a proposed rule that would have required government contractors to publicly disclose their greenhouse gas (GHG) emissions and set emissions reduction goals. The withdrawal comes on the eve of the transition to the second Trump administration, which is expected to take a very different approach to climate regulation and disclosure than has been advanced during the Biden administration.

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New York Passes Second-in-the-Nation Climate Change Superfund Act

On Thursday, December 26, 2024, New York Governor Kathy Hochul signed into law the second-in-the-nation Climate Change Superfund Act (the “Act”). The Act had first passed the New York legislature in June 2024, shortly after Vermont’s Climate Superfund Act became law. See, Sidley Update.

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Environmental Groups Bring CEQA Challenges of CARB’s Amendments to the Low Carbon Fuel Standard

Earlier this week, two environmental groups sued the California Air Resources Board (“CARB”) for approving amendments (the “Amendments”) to the Low Carbon Fuel Standard (“LCFS”). CARB had voted to amend the LCFS on November 8, 2024, with the intent of lowering the carbon intensity of the fuel mix in California and encouraging the use of low-carbon transportation fuels. For more details on the LCFS Amendment changes, see Sidley’s Alert.

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EPA Publishes First-Of-Its-Kind Framework for Considering Cumulative Impacts Across Agency Actions

On November 21, 2024, the U.S. Environmental Protection Agency (EPA) published Notice of a newly developed draft framework intended to provide all EPA programs with a shared reference point for determining when and how to analyze or consider cumulative impacts—defined broadly to include the totality of exposures to combinations of environmental stressors and their effects on health and quality-of-life outcomes.  Keeping pace with the Biden administration EPA’s environmental justice drive, key goals of the Interim Framework for Advancing Consideration of Cumulative Impacts include empowering EPA to (1) more fully and accurately characterize the realities communities face, (2) pinpoint the levers of decision making and identify opportunities for interventions that improve health and quality of life while advancing equity, and (3) increase meaningful engagement, improve transparency, and center actions on improving health and environmental conditions in communities.

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U.S. Nuclear Regulatory Commission Proposes New Licensing Framework for Advanced Reactors

Since the U.S. adoption of commercial nuclear power, large-scale commercial reactors — typically boiling or pressurized water designs — have been licensed under the provisions of 10 C.F.R. Part 50 (Part 50) and later 10 C.F.R. Part 52 (Part 52). Under these licensing approaches, license applicants submit construction and operating license permits in a multiyear process largely tailored to address the risks and controls necessary to operate bespoke, large-scale nuclear power plants at a specific site.

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Meet the Team

<a target=‘_blank’ href="https://www.sidley.com/en/people/v/vrielink-cliff-w">Cliff W. Vrielink</a>

Cliff W. Vrielink

Houston
<a target=‘_blank’ href="https://www.sidley.com/en/people/i/irvin-kenneth-w">Kenneth W. Irvin</a>

Kenneth W. Irvin

Washington, D.C.
<a target=‘_blank’ href="https://www.sidley.com/en/people/h/higgins-tara">Tara Higgins</a>

Tara Higgins

New York
<a target=‘_blank’ href="https://www.sidley.com/en/people/h/hamner-iii-herschel-t">Herschel T. Hamner III</a>

Herschel T. Hamner III

Houston
<a target=‘_blank’ href="https://www.sidley.com/en/people/m/macarthur-james">James MacArthur</a>

James MacArthur

London
<a target=‘_blank’ href="https://www.sidley.com/en/people/a/atkins-raymond-a">Raymond A. Atkins Ph.D.</a>

Raymond A. Atkins Ph.D.

Washington, D.C.
<a target=‘_blank’ href="https://www.sidley.com/en/people/l/lewis-kevin-p">Kevin P. Lewis</a>

Kevin P. Lewis

Houston

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