This online course on Emission Trading Systems (ETS), designed and implemented by the Ecologic Institute and Development Solutions, will provide the opportunity to learn the theory, design and operational considerations of emission trading systems. The course particularly focuses on the needs of developing countries and provides instruction on best practices through the study of the major concepts and prominent case studies of emission trading systems, including the European Union’s ETS, as the world’s largest system. Through a series of instructional units, categorized into modules, participants will enjoy expert guidance on a comprehensive range of ETS topics, including theoretical background, design considerations and administrative and technical challenges.