The ICAP Secretariat's Status Report 2019 on Emissions Trading Worldwide provides an overview of the current state of emissions trading in various countries and regions. The report covers a range of topics, including the design and implementation of emissions trading systems, the challenges and opportunities facing these systems, and the role of international cooperation in advancing emissions trading. The report is based on contributions from policymakers and experts in the field, and provides valuable insights into the current state and future prospects of emissions trading worldwide.