Illinois Law dean Vikram David Amar explains why the Clean Air Act’s provision allowing California to set its own air-pollution standards does not violate the notion of equal sovereignty. Dean Amar notes that the equal sovereignty idea as applied in Shelby County v. Holder is likely wrong, but even assuming it is correct, he argues it does not apply to the Clean Air Act because (1) the Clean Air Act was enacted under Congress’s Commerce Clause powers, a provision that does not require geographic uniformity, and (2) the alleged inequality disfavors the many, rather than the few.

UF Levin College of Law professor Neil H. Buchanan considers whether the current COVID-19 pandemic changes the way we think about the ongoing crises of climate catastrophe and the escalating threats to the rule of law. Perhaps counterintuitively, Professor Buchanan concludes that neither this pandemic nor even the threat of future pandemics changes how we should think about our obligations to future generations because nothing about it requires our focus to the exclusion of those two existing threats.

Cornell law professor Michael C. Dorf responds to claims that the U.S. Supreme Court’s decision last term invalidating the Trump administration’s effort to rescind the Deferred Action for Childhood Arrivals (DACA) program license President Trump to take actions that will be difficult for a future Democratic administration to undo. Dorf argues that characterizing the ruling as a win for Trump and his executive power is far-fetched, and we should instead be concerned with the long-lasting damage to the environment and our nation’s foreign policy caused by the Trump administration.

Chapman University, Fowler School of Law, professor Ronald D. Rotunda argues that, in the interest of protecting free speech, the Attorneys General of New York and Massachusetts should comply with congressional subpoenas investigating whether the state attorneys general are part of a corrupt agreement with private interests seeking to harass. Rotunda argues that the state attorneys general are effectively chilling the free speech of scientists who question the validity of the theory that humans contribute to global warming.

Reflecting on the 40th anniversary of the Endangered Species Act last month, Justia columnist and Cornell law professor Sherry Colb contends that whether one considers this legislation from the political right or left, its anniversary should be a cause for reflection on its deep messages about the relationship between humans and other animals, and about relationships between and among humans as well.