The Planetary Health Alliance (PHA) is a consortium of over 260 universities, NGOs and other partners with a shared mission—supporting the growth of a rigorous, policy-focused, transdisciplinary field of applied research aimed at understanding and addressing the human health implications of accelerating anthropogenic change in Earth's natural systems.Join the global planetary health community at the 2021 Planetary Health Annual Meeting, April 25-30 2021! https://www.planetaryhealthannualmeeting.com