CAYEO Bangladesh is a youth-led environmental organization dedicated to climate action, environmental conservation, biodiversity protection, and youth leadership. The organization mobilizes young people through climate education, tree plantation campaigns, environmental advocacy, clean-up drives, and policy dialogue. CAYEO regularly collaborates with educational institutions, youth networks, and civil society organizations to strengthen youth participation in environmental governance and climate resilience. It also engages young volunteers in national and international observances such as World Environment Day and Global Climate Strike campaigns.