There will be an outage on this website from 4pm today, 30 June. The Institute of Environmental Science and Research (ESR) will be changing its name to the New Zealand Institute for Public Health and Forensic Science (PHF Science) on 1 July 2025. The new website address will be www.phfscience.nz. Visitors will automatically be redirected to the new address. Please check and update any links and bookmarks after this change.