Brian Mullady, OP, who authored the important book in the 1980's, The Meaning of the Term "Moral" in St. Thomas Aquinas (Città del Vaticano: Libreria Editrice Vaticano, 1986) (permalink) has been busy on the pastoral side of things, and now has a website the lists his activities. It sports some YouTube videos dealing with nature and grace, as well as a link to a catalogue of his CD's and writings.