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Contributor
Dr Sarquis José Buainain Sarquis
Ambassador, Delegate of Brazil to the OECD and other economic organisations in Paris. An economist and career diplomat since 1991, Ambassador Sarquis has worked in the fields of economics, finance, international trade, investment, and development. He has also authored papers and taught undergraduate and graduate courses in these fields.He is currently Brazil’s representative to the OECD and other international economic organisations in Paris. Previously, he was Secretary for Foreign Trade and Economic Affairs and G20 Sherpa (2020-2023) and Vice President and Chief Risk Officer at the New Development Bank (2018-2020).Ambassador Sarquis holds a PhD and a MSc in Economics from the London School of Economics and Political Science (LSE) and a BSc in Electronic Engineering from the Polytechnic School of the Federal University of Rio de Janeiro (UFRJ). He is also a graduate of Brazil’s diplomatic academy - Instituto Rio Branco.
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Chart
16 Jun 2026
Announced electrolyser projects by 2030
Announced electrolyser projects by 2030 GHR 2026
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Chart
20 Apr 2026
Annual change in oil demand by region, 2024-2025
Annual change in oil demand by region, 2024-2025 Global Energy Review 2026
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Chart
20 Nov 2025
Energy demand in road transport, by fuel, in advanced and emerging economies, 2023
Energy demand in road transport, by fuel, in advanced and emerging economies, 2023 EE 2025
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Data tool
12 Nov 2025
World Energy Outlook 2025 GPT
Consult our AI-powered agent to explore the IEA's flagship report Licence: In using this WEO GPT agent, you agree to the following: (a) the World Energy Outlook content, including textual content and data that feeds into WEO GPT, remains owned by the OECD/IEA, (b) whilst the IEA does not retain or claim any rights in your queries or prompts to this agent (Queries), the IEA is entitled to use them, and any feedback you provide to us, for any purpose, including to imp...
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Chart
11 Dec 2025
Share of women in energy and energy-adjacent sectors, 2023
Share of women in energy and energy-adjacent sectors, 2023 from WEE, energy and gender page
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Contributor
Selwin Hart
Special Adviser to the Secretary-General on Climate Action and Just Transition.
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