Part I: Positioning youth as social innovators on the global stage.- 1. The Sustainable Development Goals and the role of youth-driven innovation for social change; Sheri Bastien and Halla Holmarsdottir -- 2. Global perspectives on youth and school-to-work transitions in the 21st century: New challenges and opportunities in skills training programs; Halla Holmarsdottir and Kendra Dupuy -- 3. C…