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G20 presidencies have addressed issues related to the environment and energy sustainability from different angles. Based on our extensive expertise on green growth, fossil fuel subsidies, energy regulation and climate finance, the OECD has supported the G20 in the following areas: 




Leaders in Brisbane (November 2014) endorsed the “G20 Energy Efficiency Action Plan”, which provides a framework for G20 to influence and accelerate the global energy efficiency agenda. The OECD will lead in 2015 the IOs’ contributions to the work of the Energy Efficiency Finance Task Group, chaired by Mexico and France, under the G20 Energy Efficiency Action Plan.

Leaders also endorsed the “G20 Principles for Energy Collaboration” on the functioning of the global energy architecture, which aim at encouraging enhanced cooperation and guide futureG20 work in the energy realm. The OECD will keep supporting the G20 work in the energy realm, including contributing to the debate on energy access for all and clean energy investment.

Furthermore, the OECD will continue supporting the Energy Regulators’ policy dialogue on "Sound Regulation in Energy Infrastructure", established under the Russia’s G20 Presidency in 2013. The OECD, together with the G20 Russian Presidency and Federal Tariff Service of Russia, organised the G20+ Energy Regulators Workshop in Paris in April 2013 and contributed to the 'Energy Regulators Statement on Sound Regulation and Promoting Investments in Energy Infrastructure'(pdf), adopted by G20 regulators adopted at their meeting in Kazan.


In September 2009, G20 Leaders committed to "rationalise and phase out over the medium term inefficient fossil fuel subsidies that encourage wasteful consumption”. Since then, the OECD was requested by leaders to submit, jointly with others IOs, reports at summits in Toronto, Seoul, and Cannes documenting the size and scope of fossil-fuel subsidies, with particular emphasis on budgetary transfers and tax expenditures supporting the production or use of fossil fuels in advanced and emerging economies.

In 2013 the OECD also contributed to developing a flexible, country-led methodology for undertaking voluntary peer reviews of countries’ FFS, which later provided the basis for the draft G20 methodology in this area.  In 2014, under the aegis of the Energy and Sustainability Working Group (ESWG), the OECD contributed input to the IO’s report on transitional policies for phasing out of fossil-fuel subsidies.

The OECD’s Inventory of Estimated Budgetary Support and Tax Expenditures Relating to Fossil Fuels, firstly released in 2011 and since constantly updated and expanded, now covers all OECD countries along with China, Brazil, India, Indonesia, Russia, and South Africa. 

In December 2013, China joined the United States in the commitment to undergo peer reviews under the G-20 process, and phase out inefficient fossil fuel subsidies that encourage wasteful consumption. The OECD will be part of the team of peer reviewers for the exercise that US will undertake in 2015.


 The OECD prepared papers to support the G20 report on fossil-fuel subsidies, options for scaling-up climate finance and carbon markets. A G20/OECD policy note on Pension Fund Financing for Green Infrastructure and Initiatives (pdf) was welcomed by the G20 Finance Ministers in their November 2012 Communiqué and in 2013 the OECD delivered to G20 Finance Ministers reports on “Policy Guidance for Investment in Clean Energy Infrastructure” and on “Institutional Investors and Green Infrastructure: Selected Case Studies ”.

In 2015, the OECD will lead the IOs’ contributions to the Climate funds inventory study, carried out under the Climate Finance Study Group, with the aim to reveal all currently operational funds and to help the recipient countries gaining better knowledge of available climate funds.


Prompted by several high profile offshore drilling accidents, G20 Leaders at Toronto initiated the Global Marine Environment Protection (GMEP) Initiative to share best practices to help protect the marine environment from such incidents. The OECD, the International Regulators Forum (IRF) and the Organization of the Petroleum Exporting Countries (OPEC) were asked to establish a website to disseminate best practices. In July 2013, the GMEP Website was presented by the G20 Russian Presidency, recognising OECD’s contribution to the GMEP Initiative.



Under the Mexican G20 Presidency, Green Growth was treated as a priority theme and was addressed through a cross-cutting approach. At the request of the G20 and the Mexican Presidency, the OECD partnered with other international organisations to submit two reports to the 2012 Los Cabos Summit: a joint report by the OECD, World Bank, and UN on "Incorporating Green Growth and Sustainable Development Policies into Structural Reform Agendas" (pdf) and a joint report by the African Development Bank, OECD, UN and World Bank on "Green Growth: A Toolkit of Policy Options to Support Inclusive Green Growth" (pdf).

Under the B20, the OECD, as a member of the Green Growth Action Alliance, provided recommendations to the G20 including: promoting free trade in green goods and services, achieving robust pricing of carbon, ending and redirecting inefficient fossil fuel subsidies, accelerating low-carbon innovation and increasing the leverage of private investments.