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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: 



Russia’s G20 Presidency in 2013 established "Sound Regulation in Energy Infrastructure" as a priority for its agenda. G20 regulators invited the OECD, along with other international organisations, to contribute to the discussion on the promotion of investment in energy infrastructure and the role of the regulatory environment. 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.

During the subsequent meeting in Kazan, G20 regulators adopted the 'Energy Regulators Statement on Sound Regulation and Promoting Investments in Energy Infrastructure'(pdf), which the OECD contributed to.


In September 2009, G20 Leaders committed to "rationalise and phase out over the medium term inefficient fossil fuel subsidies that encourage wasteful consumption”. G20 Leaders requested that the OECD, the IEA, the World Bank, and OPEC analyse the scope of energy subsidies and provide suggestions for the implementation.

The OECD’s work in this area aims to support countries in developing and implementing successful subsidy reform or phase-out plans. In 2013 the OECD released an update of the Inventory of Estimated Budgetary Support and Tax Expenditures Relating to Fossil Fuels (pdf) covering all 34 OECD countries. At the same time, the OECD published a companion volume on Taxing Energy Use.

The G20 Energy Sustainability Working Group (ESWG) developed a methodology (informed by a joint OECD-IEA note)  to undertake voluntary peer reviews; this methodology was informed by a joint OECD-IEA note submitted to the ESWG.


The OECD contributed to a synthesis report on Mobilising Climate Finance (pdf) delivered to G20 Finance Ministers in October 2011, which was noted by G20 Leaders November 2011.

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.


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.



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 - OLD VERSION" (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.