The State and Trends of Carbon Pricing series, by the World Bank and Ecofys, reflects on the growing momentum for carbon pricing worldwide. It targets the wide audience of public and private stakeholders engaged in carbon pricing design and implementation. This report provides an up-to-date overview of existing and emerging carbon pricing instruments around the world, including national and subnational initiatives. It also investigates trends surrounding the development of carbon pricing instruments and how they could accelerate to deliver long-term mitigation goals. The report is available to download on the World Bank website.