He has over 300 publications on the environmental determinants of water-borne, mosquito-borne, and other diseases, and led a major research programme on air quality and respiratory health through the Cooperative Research Centre for Asthma and Airways.

He was a member of the Board of Review Editors for the global Millennium Ecosystem Assessment, served as Co-Chair of the International Medical Geology Association, is immediate past President of the Australian Entomological Society, and is Deputy Chair of Nature Foundation South Australia.