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99 per cent of today’s globally produced hydrogen is ‘grey’ hydrogen made from fossil fuels, with annual CO2 emissions exceeding those of the entire country of Germany. Second, fossil-based ‘blue’ hydrogen, which is being promoted as a ‘low-carbon’ alternative, has a climate footprint that is nearly as bad when its total emissions are taken into account. Finally, even ‘green’ hydrogen, which is considered ‘carbon free’ but accounted for only 0.04 per cent of global hydrogen production in 2021, comes with serious challenges and risks. It is energy inefficient, behaves as a potent indirect greenhouse gas, and production on a large scale requires vast amounts of land, water and renewable energy. Its production can fuel ‘green grabbing’ – the appropriation of land and resources for environmental ends. An inflated demand for hydrogen is also being used as a Trojan horse to prolong the use of fossil fuels.
Kek.