Earth Day Lecture
3:00 pm, The Catholic University of America, Caldwell Hall, Auditorium, 620 Michigan Ave. N.E., Washington, D.C.
April 18th, 2012
April 18th, 2012
Earth Day Lecture
3:00 pm, The Catholic University of America, Caldwell Hall, Auditorium, 620 Michigan Ave. N.E., Washington, D.C.
April 12th, 2012
Paradigm Lost Conference, Berlin