SDG 16: Peace, justice and strong institutions Grapple gang preaching positive outcomes SDG 3: Good health and wellbeing Participants needed for mental health awareness research SDG 3: Good health and wellbeing United back campaign to tackle loneliness SDG 11: Sustainable cities and communities Soccer AM supports #YesBallGames campaign SDG 10: Reduced inequalities Mata backs Kick4Life's new stadium plans SDG 3: Good health and wellbeing #21by21: University leads research into mental health awareness Funding 'London Together' fund opens SDG 11: Sustainable cities and communities BBC appeal supports StreetGames' network SDG 10: Reduced inequalities LEAP IN: Sported campaign boosts community clubs SDG 17: Partnerships for the Goals 'Open Doors' scheme uses schools to support at-risk young people