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If the Trump EPA successfully repeals the endangerment findings for vehicles and stationary sources, states will be the only resort for climate action. A key question is how the repeals would impact state power relating to carbon emissions. The bottom line answers are: (1) the impact on state power to regulate tailpipe emissions seems unclear but could be positive; (2) there would be no effect on state power to regulate stationary sources like power plants; (3) plaintiffs suing oil companies would probably benefit.

Data centers are increasingly making headlines for the serious problems they create for the communities where they are proposed and built, as well as for the resistance from people who live there, who refuse to accept the rising energy bills, noise and air pollution, and strains on water infrastructure that inevitably accompany these new neighbors. On Tuesday, February 10, I moderated a webinar, “From Community to Congress: Advocating on AI Data Centers,” that broke down the (de)regulatory landscape of data centers.

Two policy briefs published by the Center in recent months explain that even before the second Trump administration and the 119th Congress launched their broadsides against the Inflation Reduction Act (IRA), the scale and pacing of decarbonization was already lagging at investor-owned utilities. Most customers in the U.S. are served by investor-owned utilities. Due to their complicated mix of historical industry capture and political power, information asymmetries in the regulatory context, the profit motive of energy production and distribution, and tax policy, IOUs are often disincentivized from advancing an equitable clean energy transition. Our policy briefs explore several alternatives to the IOU model as part of a just transition to clean energy.

In 2025, President Donald Trump rolled out new initiatives at a dizzying rate. That story, in one form or another, dominated the news. This year, much of the news will again be about Trump, but he will have less control of the narrative. Legal and political responses to Trump will play a greater role, as will economic developments. Trump’s anti-environmental crusade may run into strong headwinds.

As projections of U.S. electricity demand rise sharply, President Donald Trump is looking to coal – historically a dominant force in the U.S. energy economy – as a key part of the solution. In an April 2025 executive order, for instance, Trump used emergency powers to direct the Department of Energy to order the owners of coal-fired power plants that were slated to be shut down to keep the plants running. But there remain limits to the president’s power to slow the declining use of coal in the U.S.

On November 13, 20 folks attended the second annual rural clean energy convening in Roanoke Rapids, North Carolina, co-sponsored by the Center for Progressive Reform and the Center for Energy Education. Attendees included academics, energy policy advocates, small-scale developers, technical experts, and government representatives. We built off last year’s convening, addressing the new North Carolina policy landscape and context given the repeal of federal funding, the state’s proposed unfavorable carbon plan, and rising energy burden in communities.

Although Congress vetoed California’s most recent vehicle regulations, the state can pass new regulations so long as there are significant differences from the ones Congress overturned. The Trump administration has been arguing all along that California lacks the power to regulate greenhouse gases from vehicles. Those regulations are a crucial part of the state’s climate policy. Sooner or later, courts will need to decide the extent of California’s legal authority over vehicle emissions. The issues are complex, involving an unusual statutory scheme. Here’s what you need to know, and why I think California should win this fight.

In the past year, Maryland residents have seen their heating bills skyrocket, which has largely been tied to increased costs of methane gas distribution. These costs are expected to worsen as increased spending on the distribution system must be repaid over the next several decades. At the same time, greenhouse gas emissions from burning fossil fuels in the home contribute substantially to climate change, and pollution from fossil fuel heating also has a substantial impact on residents’ health. In a new report published today, we explore policies designed to tackle these challenges and provide analysis and recommendations on how to make the transition to updated heating technologies and building electrification more equitable and effective for low-income Marylanders.

If a tree falls in the forest but no one hears it, does it still make a sound? If a law hasn’t been formally repealed but can be violated with complete impunity, is it still in effect? I’ll leave the first question to philosophers, but the second one could have major legal implications. Here’s why.