This report analyses selected public expenditure programmes supporting environmental investments in water supply and wastewater treatment infrastructure in four OECD countries: Austria, Belgium (the Region of Flanders), France and Germany. These programmes have been selected as they involve...

Climate and environmental considerations have become pressing priorities for governments in recent years. International commitments such as the Paris Agreement, the Aichi Biodiversity Targets under the Convention on Biodiversity (CBD) and the Sustainable Development Goals (SDGs) have spurred...

This report provides an overview of green budgeting practices across OECD countries based on the 2022 OECD Green Budgeting Survey, as well as the index methodology for the Survey. It takes stock of OECD countries’ progress in bringing climate and environmental considerations into budgeting...

Policy coherence is increasingly in the interest of OECD countries and developing countries alike, given their growing economic, social and environmental interdependence. This report presents scenarios showing numerical results of changes to individual policies as well as policy packages...

Green budgeting is emerging at subnational levels as an important tool for regions and cities to use to align their expenditure and revenues with their green objectives, and enhance the transparency and accountability of their climate and environmental action. It is also a tool that subnational...