Nobel Peace Prize-nominated pediatrician Helen Caldicott, M.D. is the host of If You Love This Planet. For over 35 years, Dr. Caldicott has helped galvanize awareness of the risks of nuclear technology and global environmental collapse. Her work with Physicians for Social Responsibility organized thousands of doctors to teach the public about the medical implications of nuclear war and nuclear power. She helped motivate the U.S. public to demand a nuclear freeze initiative in the 1980s. Dr. Caldicott has written seven books about nuclear and ecological issues. She has received the Gandhi Peace Prize and the Lannan Prize for Cultural Freedom. Most recently, Dr. Caldicott was president of the Nuclear Policy Research Institute, a Washington, D.C. think tank (now Beyond Nuclear).
Dr. Caldicott has had a high profile in American radio since the late 1970s, with her speeches and interviews played frequently on national airwaves. From 1995 to 1997, she hosted a weekly radio talk show on WBAI in New York City. She hosted the 13-part series, A Passion for Survival (2002) and a six-part radio series based on her book, The New Nuclear Danger (2004) for Pacifica Radio.