The OECD is providing technical support to a number of EU Member States in their efforts to develop national circular economy strategies, roadmaps and action plans. These actions are funded by the European Union via the Technical Support Instrument, and implemented by the OECD, in co-operation with the Directorate-General for Structural Reform Support of the European Commission.

The International Monetary Fund's (IMF) eLibrary simplifies analysis and research with direct access to the IMF’s periodicals, books, working papers and studies, and data and statistical tools.

OECD iLibrary is the online library of the Organisation for Economic Cooperation and Development (OECD) featuring its books, papers, podcasts and statistics and is the knowledge base of OECD's analysis and data.

The United Nations iLibrary is the comprehensive global search, discovery, and viewing source for digital content created by the United Nations. 

The World Bank is the largest single source of development knowledge. The World Bank Open Knowledge Repository (OKR) is The World Bank’s official open access repository for its research outputs and knowledge products.

WTO iLibrary is the online research depository of the World Trade Organization (WTO) featuring its publications, reports and other research material.