1 Department of Anaesthesiology, St. Vincent's University Hospital, Dublin, Ireland; Irish Doctors for the Environment, Dublin, Ireland; The College of Anaesthesiologists of Ireland Sustainability Committee, Dublin, Ireland. Electronic address: ola-ln@outlook.com.
2 Irish Doctors for the Environment, Dublin, Ireland; The College of Anaesthesiologists of Ireland Sustainability Committee, Dublin, Ireland; Department of Anaesthesiology, Beaumont Hospital, Dublin, Ireland.
3 Department of Anaesthesiology, National Maternity Hospital, Dublin, Ireland.
4 The College of Anaesthesiologists of Ireland Sustainability Committee, Dublin, Ireland; Department of Anaesthesiology, Royal Papworth Hospital, Cambridge, UK.
5 The College of Anaesthesiologists of Ireland Sustainability Committee, Dublin, Ireland; Department of Anaesthesiology, Mercy University Hospital, Cork, Ireland.