The 9th Int’l Conference on Environmental Chemistry and Ecotoxicology (CECE 2026) will be held during April 17-19, 2026 in Xi’an, China. This Conference will cover issues on Environmental Chemistry and Ecotoxicology, addressing critical issues such as environmental pollution, toxicants in ecosystems, and sustainable environmental practices. In addition to these core themes, CECE 2026 aims to explore a diverse range of related topics, including environmental monitoring, risk assessment, environmental impact assessment, and emerging technologies for environmental protection. The conference is designed to serve as a platform for experts and scholars to share the latest research findings, discuss innovative approaches, and exchange advanced research methodologies in related fields.