The Brazilian Association of Sanitary and Environmental Engineering (Associação Brasileira de Engenharia Sanitária e Ambiental, or ABES) is a professional and scientific organization in Brazil focused on the advancement of sanitation, environmental protection, and public health engineering. The association brings together engineers, researchers, academics, and professionals working in areas such as water supply, wastewater treatment, solid waste management, environmental planning, and sustainable infrastructure. ABES promotes knowledge exchange, professional development, research, and policy advocacy through conferences, publications, and technical training. By fostering innovation and best practices, the association contributes to improving environmental quality, public health, and sustainable development across Brazil.