This paper aims to explore the importance of environmental education and sustainable development education for individuals and society, and analyze their current situation and challenges. Firstly, the definitions and historical background of environmental education and sustainable development education are introduced, followed by a discussion of their benefits to individuals and society, including environmental awareness, environmental protection behavior, resource efficiency, economic sustainability, and social justice. Next, the challenges facing current environmental education and sustainable development education are analyzed. Finally, suggestions for strengthening environmental education and sustainable development education and future research directions are proposed.