This Comment illustrates, through a case study of the Delta smelt BiOp, the difficulties in making ESA jeopardy determinations for species on the brink of extinction. We conclude that the myriad challenges inherent in conservation of some small and declining populations make reasoned §7 analysis difficult, bordering on impossible.

The Silencing Science Tracker is an online database that records anti-science actions taken by the federal government. Drawing on three-and-a-half years of tracker data, this Comment analyzes the Trump Administration’s evolving war on science and shows how it is changing the way federal agencies perform, use, and communicate scientific research. We focus primarily on climate science, which has been the subject of particularly fierce attacks under President Trump, though