Letter on Climate Change to President Obama, January 29, 2013
Letter to U.S. Senate on National Children's Study 2004, April 27, 2004
Letter to U.S. House of Representatives on National Children's Study 2004, April 27, 2004
Letter to U.S. Environmental Protection Agency Regarding Testing Pesticides on Human Beings, September 10, 2003
United Faiths Letter on Mercury and Air Toxics Standards