2018 saw the celebration of Plan Bleu’s 40th anniversary during a symposium organised in Paris in June, in partnership with Association Serge Antoine. 2018 also saw the launch of the upcoming Report on the State of the Environment and Development in the Mediterranean (SoED 2019) and the start of a foresight exercise for 2050, named MED 2050. The work of Plan Bleu aims to present the crucial ecological issues for the future of the Mediterranean ecosystem and to work with the support of the scientific community to promote methods that could improve it, within a context of harmonious and inclusive development.