Joining forces between health and environmental psychology: Report on the 2024 SYNERGY Expert Meeting

This article summarises the 2024 SYNERGY Expert Meeting held at the European Health Psychology Society conference, which brought together health and environmental psychologists to advance the emerging field of environmental health psychology. The meeting aimed to foster collaboration, integrate theories and methods, and develop joint interventions addressing climate change. Discussions highlighted shared principles, complementary approaches, and the urgent need for interdisciplinary action. Five key recommendations were proposed to sustain momentum: co-authoring papers, attending environmental psychology conferences, hosting online meetings, applying for joint grants, and guest lecturing. This unified approach promises impactful research and interventions that promote sustainable behaviours and improve health outcomes.