Please note: As of 1 July 2025, the New Zealand Institute for Public Health and Forensic Science (PHF Science) is the new name for the Institute of Environmental Science and Research (ESR). Articles and information published before this date may reference the organisation's former name.
ESR is New Zealand’s only Crown Research Institute dedicated to communities – health, well-being and justice.
Read more about science that has made a difference for Aotearoa.