Exercising one of its most important and far-reaching powers under the Clean Air Act, the Environmental Protection Agency (EPA) has lowered the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate...more
The first three quarters of 2023 have seen an unprecedented number of rulemakings under the Clean Air Act. The Biden administration has released a new suite of proposed rulemakings with a particular focus on climate change...more
The Clean Air Scientific Advisory Committee (“CASAC”) sent a February 4th letter to the United States Environmental Protection Agency (“EPA”) addressing the following subject: CASAC Review of the EPA’s Policy Assessment for...more
I’ve written a lot about how the developing science around particulate exposure supports making the PM2.5 NAAQS more stringent. So it won’t come as a surprise that a new study published in the Proceedings of the National...more
I’ve frequently discussed in recent years the mounting evidence for the need to lower the National Ambient Air Quality Standard for PM2.5. There is also substantial evidence that PM exposure is an environmental justice issue....more
One thing that is clear from the 2020 election: the Senate will remain closely divided, with slim majority control to be determined by the two January Senate runoff races in Georgia. President Elect Biden has announced the...more
In April, I noted that researchers at the T.H. Chan Harvard School of Public Health had identified a relationship between PM-2.5 exposure and mortality from COVID-19. That study received some criticism, and it certainly did...more
The United States Environmental Protection Agency (“EPA”) announced it is proposing to retain the current Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for particulate matter (“PM”). The PM standard includes...more
Maryland Attorney General Brian E. Frosh (“AG”) filed a Complaint in the United States District Court for the District of Maryland alleging a violation of the Clean Air Act by the United States Environmental Protection Agency...more
The House Energy & Commerce Committee’s Subcommittee on Energy and Power announced that it will hold a hearing to review the Environmental Protection Agency’s proposal to regulate carbon dioxide emissions from existing power...more
We analyze EPA’s novel proposal to regulate greenhouse gas emissions from existing power plants as it will shape its regulation of other industry sectors. On June 2, 2014, EPA released its long-anticipated proposal to...more
Gunnison Sage Grouse Continues Its Wobbly Path Toward Listing Energy Legal Blog, May 14, 2014 - Last week, the Gunnison Sage Grouse took another detour on its road to being listed under the Endangered Species Act...more