AJ 21.09.23: Student PrizeCommunity and sustainability are the prevailing themes of this years AJ Student Prize, and all 100+ entries are showcased in AJs annual student special issue. This is a cohort acutely aware of the challenges facing the world, and determined to come up with their own solutions to the most testing issues of our times. Also in this issue are the sobering findings of our latest race and diversity survey, which reveals how people of diverse ethnic heritage