We already grow enough crops to feed an extra 10 billion people

But we need to be smarter about what we do with them

Johannes Hirn, PhD
Age of Awareness
Published in
5 min readNov 28, 2019

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It turns out that about a quarter of the calories from crops we grow are wasted during harvest, storage, distribution, preparation or consumption. Cutting these losses would provide food for about 4 billion people¹.

On top of that, some crops that could have been eaten by humans are turned into fuels for vehicles instead (called biofuels). With relatively minor changes, these crops could be used as food for…

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Johannes Hirn, PhD
Age of Awareness

PhD in Physics, Master’s in Science Journalism, Engineering Degree