This publication documents the experience of more than 100 community-based organisations in Southern Africa, Southeast Asia and Eastern Europe-in planning a prevention response to substance abuse among the youth of their communities.

From the Foreword. Knowledge-based development is one of the strategies of the UNDP South East Asia HIV and Development (UNDP-SEAHIV) project in its technical assistance to countries. The goal is to strengthen countries' capacity to effectively combat the HIV/ AIDS epidemic.