Facing up to the climate crisis is a reality that affects us all in every aspect of our daily personal and professional lives. The delivery of health care inevitably incurs environmental costs, and the UK is regarded as a major contributor to global healthcare-related carbon emissions (Healthcare Without Harm, 2019). The need to address this issue is reflected in the 2019 NHS Long Term Plan and the goal of ultimately delivering a ‘net zero’ national health service for England (NHS England, 2019; 2020).