Professor Peng Bi has contributed to the fields of environmental epidemiology, ecosystem health and infectious disease epidemiology. He has wide research experience in identifying and managing environmental health problems, including the impact of climate change on population health. Additionally, his ecology and health approach has been applied to spatio-temporal disease patterns in various ecosystem health situations.

His most significant contributions to the field are his research work on climate change and its impact on population health including both communicable diseases and non-communicable diseases, both in Australia and overseas. He has established a track record and publications in the field of communicable diseases, particularly those which are climate sensitive such as food borne diseases, mosquito borne diseases and rodent borne diseases. His recent research activities focus on climate change adaptation in vulnerable communities. He also undertakes research projects in One Health area.