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The Affordable Clean Energy (ACE) rule, the Trump administration's recently released substitute for his predecessor's Clean Power Plan (CPP), has been widely criticized as an ineffectual mechanism for addressing power plants' greenhouse gas (GHG) emissions. More broadly, the rule substitutes a technocratic, plant-by-plant approach for the more comprehensive and participatory state planning required by the […]

The EPA released its finalized rule for carbon emissions from existing power plants last week. The agency calls the rule the "Affordable Clean Energy" (ACE) rule, but it would be better named the "Advancing Coal Energy" rule given its explicit aim to keep old, dirty coal-fired power plants running. A bit of background first for […]

On June 21, the Environmental Protection Agency (EPA) released its evaluation of the third and final round of state Watershed Implementation Plans (WIPs) under the Chesapeake Bay restoration framework known as the "Bay TMDL" (Total Maximum Daily Load). EPA's evaluation of the seven Bay jurisdictions broke no new ground regarding the quality or contents of […]

This post was originally published on SCOTUSblog. It is republished here under a Creative Commons license (CC BY-NC-ND 3.0 US). The Supreme Court has concluded that Virginia's decades-old moratorium on uranium mining is not pre-empted by the Atomic Energy Act. But there is no clear answer to the question that pervaded the briefing and oral argument: […]

In a recent essay posted to SSRN, I try to see, and to appreciate, the wisdom in a species of climate litigation that has many detractors. This litigation asks the courts to hold the government and private parties judicially accountable for their active promotion and pursuit of climate-endangering activities, even after they knew better – […]

Originally published on Legal Planet. The Trump administration's hostile attitude toward science has continued unabated. The administration has used a triad of strategies: efforts to defund research, suppression of scientific findings, and embrace of fringe science. Budget. The administration continues to favor deep cuts in research support. Its initial 2020 budget proposal calls for a 13 […]

According to press reports, EPA is preparing to ignore possible deaths caused by concentrations of pollutants occurring below the national ambient air quality standards (NAAQS). This is a key issue in a lot of decisions about pollution reduction. For instance, there is no NAAQS for mercury, but pollution controls on mercury would, as a side benefit, […]

Originally published on Legal Planet. To do its part in keeping climate change to tolerable levels, the United States needs to cut its carbon emissions at least 80 percent below 1990 levels by 2050. That’s not just a matter of decarbonizing the electricity sector; it means changes in everything from aviation to steel manufacture, and reducing not […]

Pop quiz: What do marshes, pipelines, forests, and underground parking structures have in common? The answer is they are all infrastructure – part of the "underlying foundation," as my dictionary puts it, "on which the continuance and growth of a community depend." A lot of that foundation, like pipelines and parking structures, is artificial. But […]