ISLE: Interdisciplinary Studies in Literature and Environment, 13.1 (Winter 2006), pp. 203-07.
The Normative Dimension and Legal Meaning of Endangered and Recovery in the U.S. Endangered Species Act
with John Vucetich and Michael Phillips, Conservation Biology 20/5 (Oct. 2006), pp. 1383-90.
Review (with Matt Grisko) of Philosophy and Biodiversity, Markku Oksanen and Juhani Pietarinen, eds.
in Environmental Values, 15:1 (February 2006), pp. 124-127.