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...

In recent years, a significant number of OECD member countries have introduced initiatives to reduce the environmentally damaging effects of public procurement. Many countries have introduced "greener public purchasing" (GPP) policies in order to increase the recycled content of products or...

Agricultural policies are dominated by broad measures such as market price support and general payments to all land, animals or farmers. As a result, it is often difficult to associate a particular policy with any specific objective. Recognising the challenge facing policy makers who wish to...

Oil, coal and natural gas will remain the world’s dominant sources of energy over the next decades, with resulting carbon dioxide emissions set to increase to unsustainable levels. However, technologies that help reduce CO2 emissions from fossil fuels can reverse this trend. CO2 capture and...