What is green hydrogen and why do we need it? An expert explains

Dec 21, 2021

Britain's Prince Charles walks next to a train powered by green hydrogen

Green Hydrogen might be the fuel of the future Image: REUTERS/ Jane Barlow

Abhinav Chugh

Content and Partnerships Lead, World Economic Forum

Emanuele Taibi

Head of the Power Sector Transformation Strategies, International Renewable Energy Agency

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Depending on production methods, hydrogen can be grey, blue or green – and sometimes even pink, yellow or turquoise Image: International Renewable Energy Agency

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This diagram shows how green hydrogen can be produced, converted and used across the energy system.

How green hydrogen can be produced, converted and used across the energy system. Image: International Renewable Energy Agency

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