For more than five decades, NAAEE has been a leader in promoting excellence in environmental education throughout North America. It is the only national membership organization dedicated to strengthening the field of environmental education and increasing the visibility and effectiveness of the profession. NAAEE's influence stretches across North America and around the world, with members in more than 30 countries. NAAEE and its 54 state, provincial, and regional Affiliate organizations in the United States, Canada, and Mexico have more than 16,000 members. These members are professionals with environmental education responsibilities and interests across business, government, higher education, formal (K–12) education, nonformal education, early childhood education, science education and STEM, and other sectors of society.