MDPI supports open academic communication in all its forms, through the publication of research articles as well as by supporting, organizing, and communicating outcomes from conferences, seminars, and other academic meetings. It is vital to have an open record of important academic discussions and for this reason we established Proceedings in 2017 with the aim of publishing the outputs of scholarly events. The journal has been extremely successful, and we have taken the decision to create a family of proceedings journal covering different subject areas. We are therefore pleased to announce the launch of Environmental Sciences Proceedings, Engineering Proceedings, Chemistry Proceedings, and Materials Proceedings. These journals will publish proceedings papers, extended abstracts, meetings reports and editorials related to scholarly events. To date, Proceedings has published more than 4700 such pieces and we look forward to expanding this number and broadening the scope with the new journals.