Examines major traditions in moral philosophy to see what light they shed on value issues in environmental policy and the value presuppositions of the economic, ecological, and juridical approaches to the environment. Prereq., PHIL 1100, 1200, 2200, 3100, or 3200. Same as ENVS 3140. Approved for arts and sciences core curriculum: ideals and values. Prerequisites: Restricted to students with 27-180 credits (Sophomore, Junior or Senior) only.