An alert from Edward Feser on his blog:

Two recent pieces on ethics from David Oderberg: “The Doctrine of Double Effect,” from T. O'Connor and C. Sandis, eds., A Companion to the Philosophy of Action; and a popular lecture, “Why I am not a Consequentialist.” (Warning: PDF files)

David Oderberg, “’Whatever is Changing is Being Changed by Something Else’: A Reappraisal of Premise One of the First Way” (via Edward Feser)