Major League Baseball® (MLB) and Discovery Education, the leader in standards-aligned digital curriculum resources, engaging content, and professional learning for K-12 classrooms, invite all students and educators nationwide to participate in the Global Sustainability Challenge. During this unique no-cost event, participants will explore their impact on the environment and learn about the importance of environmental stewardship through a set of flexible digital resources that can either be integrated by educators into classroom instruction or completed independently by students over the summer as part of an enrichment activity.