Dr Paul Beggs is a Professor in the School of Natural Sciences at Macquarie University in Sydney. He is the Director of the MJA-Lancet Countdown on health and climate change in Australia, which has recently evolved to be the Lancet Countdown Oceania Regional Centre. An environmental health scientist with a background in biological and climate sciences, he is an international authority on the impacts of climate change on allergens and allergic diseases. He was elected a Fellow of the Royal Meteorological Society in 2023.