TimeBank is holding three UK events to help community organisations discover what kind of volunteering opportunities young people really want.
At the Re:Act events, organisations will hear from young people about the sort of projects they are interested in, and how to get them involved.
The Government wants to recruit a million new young volunteers in the next four years - earlier this year, it set up the charity to try to achieve this goal.
TimeBank held its first Re:Act event in east London on 25 July. It will also be holding events in Swindon, Wiltshire; St Helen's, Merseyside; and Coalville, Leicestershire.
Organisations that attended the London event, such as Waltham Forest YMCA, received ideas for creating new youth volunteering opportunities.
Constance Agyeman, head of youth programmes at TimeBank, said: "Our events will help young people get the skills they need to change the things they care about."