Fertiliser feeds us but trashes the climate – now there’s a fix

Fertiliser feeds us but trashes the climate – now there’s a fix
Ammonia is usually produced at huge chemical plants like this one

Ammonia for fertilizer is usually produced at huge chemical plants like this one

Vsevolod Chuvanov/Alamy

Feeding billions of people around the globe takes a lot of energy. Much of the carbon cost of this effort comes down to making ammonia, the key ingredient in many fertilisers. To do this, we rely on the Haber-Bosch process, invented a century ago by German chemists Fritz Haber and Carl Bosch. No one has yet come up with anything that can compete with it on massive scales without breaking the bank.

Until now. Xiaofeng Feng and his colleagues at the …

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New Scientist – Earth

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