“We cannot treat people for cancers and cardiovascular diseases linked to pollution and continue to pollute so much ourselves”… The observation sounds obvious and the figures speak for themselves: “Each year Worldwide, nine million people die of pollution-related diseases. This is more than smoking and the AIDS, malaria and tuberculosis pandemics. In France, 10% of greenhouse gases, or 47 million tonnes of CO2 is produced by the health sector (1)”, asserts Laurent Zieleskiewicz. This anesthetist-resuscitator, deputy head of service at the North Hospital of Marseille is responsible for piloting a green revolution in collaboration with the direction of ecological transition. A concern that