He has testified as an expert witness
on the theology,
ethics, science, and economics of
climate change policy before the U.S. Senate Environment and Public Works Committee and the Energy and Environment Subcommittee of the U.S. House of Representatives Committee on Energy and Commerce; briefed the White House Council on Environmental Policy; delivered a paper at a conference at the Vatican sponsored by the Pontifical Council for Justice and Peace; and spoken at the 2008, 2009, and 2010 International Conferences on Climate Change and at colleges, churches, and other
climate change policy before the U.S. Senate Environment and Public Works Committee and the Energy and Environment Subcommittee of the U.S. House of Representatives Committee on Energy and Commerce; briefed the White House Council on Environmental Policy; delivered a paper at a conference at the Vatican sponsored by the Pontifical Council for Justice and Peace; and spoken at the 2008, 2009, and 2010 International Conferences on Climate Change and at colleges, churches, and other v
change policy before the U.S. Senate Environment and Public
Works Committee and the Energy and Environment Subcommittee of the U.S. House of Representatives Committee
on Energy and Commerce; briefed the White House Council
on Environmental Policy; delivered a paper at a conference at the Vatican sponsored by the Pontifical Council for Justice and Peace; and spoken at the 2008, 2009, and 2010 International Conferences
on Climate Change and at colleges, churches, and other
Climate Change and at colleges, churches, and other v
Change and at colleges, churches, and other venues.