Making hydrogen currently generates about 2% of the world's carbon emissions, which is roughly equivalent to the total emissions from all aviation combined.
factualpending
Speaker
David CebonEvidence Quote
“2% of the world's uh carbon emissions comes from making hydrogen... making hydrogen currently generates about the same emissions as making aviation.”
Source
How Clean is Hydrogen, Actually? With Prof. David Cebon | The PLUS Podcast— Everything Electric TECHCreated: 8/10/2026, 10:48:15 PM
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