Climate Law Blog

By Dena Adler, Jessica Wentz, and Romany Webb On Wednesday, June 19, the U.S. Environmental Protection Agency (EPA) finalized its so-called Affordable Clean Energy (ACE) rule. The ACE rule repeals and replaces the 2015 Clean Power Plan (CPP) which aimed to reduce carbon dioxide emissions from existing power plants by 30% below 2005 levels by […]

The Trump administration has undertaken a sweeping portfolio of actions aimed at weakening federal climate protections and promoting the development and use of fossil fuels. A new report from Columbia Law School’s Sabin Center for Climate Change Law takes a critical look at what this effort has actually accomplished. It concludes that the administration has […]

Each month, Arnold & Porter and the Sabin Center for Climate Change Law collect and summarize developments in climate-related litigation, which we also add to our U.S. and non-U.S. climate litigation charts.  If you know of any cases we have missed, please email us at columbiaclimate@gmail.com. HERE ARE THE ADDITIONS TO THE CLIMATE CASE CHART SINCE UPDATE # 122 FEATURED CASE D.C. Circuit Upheld […]

This week, the Sabin Center and a group of scientists with expertise on carbon capture and sequestration (“CCS”) technologies submitted comments on EPA’s proposal to weaken the CO2 performance standards for new coal-fired power plants.  As discussed in a previous blog post, the current standards, which were promulgated in 2015, reflect the emissions reductions that […]

Today, the Sabin Center filed an amicus brief on behalf of local governments in support of state and environmental petitioners in California v. EPA, the lawsuit challenging the Environmental Protection Agency (EPA)’s revised determination on the appropriateness of the greenhouse gas emission and fuel economy standards for light-duty vehicles (commonly referred to as the “clean […]

The Sabin Center, in partnership with the Columbia Environmental Law Clinic, today filed an amicus brief in the Ninth Circuit Court of Appeals on behalf of the National League of Cities, the U.S. Conference of Mayors, and the International Municipal Lawyers Association in County of San Mateo v. Chevron Corporation—a case brought by California counties […]

By Jessica Wentz and Romany Webb On Thursday, December 6, the Environmental Protection Agency (EPA) published proposed revisions to its New Source Performance Standards (NSPS) for electric utility generating units (2015 NSPS). The proposal affects new, modified, and reconstructed fossil fuel-fired steam generating units, most of which use coal to generate electricity, either by burning […]

By Romany Webb On Tuesday, September 11, EPA published proposed revisions to its New Source Performance Standards (2016 standards) for new and modified sources in the oil and natural gas sector. The standards, which were finalized in June 2016, formed a central plank of the Obama administration’s strategy for reducing methane emissions. EPA estimated that, […]

Today, the Sabin Center filed a motion on behalf of a nationwide local government coalition for leave to participate as amici curiae in the lawsuit challenging the first action undertaken by the Trump administration to roll back the greenhouse gas emission and fuel economy standards established for light duty vehicles (“clean car standards”). If the motion […]

By Jessica Wentz On Tuesday, August 21, EPA published a proposed rule to replace the Clean Power Plan. The proposal, entitled the “Affordable Clean Energy Rule,” would establish a framework for controlling CO2 emissions from existing power plants which is significantly less effective and environmentally protective than its predecessor. Here are six important things to know […]