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Johannes Hirn, PhD
Johannes Hirn, PhD

46 Followers

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Published in Age of Awareness

·Dec 13, 2019

How much space is there on the planet to produce food and energy?

The short answer is: one football pitch per person. What should we do with it? — To get an idea of the resources available to us, we can look at all land area on Earth, and divide it by the human population. …

Climate Change

7 min read

One football pitch per person
One football pitch per person
Climate Change

7 min read


Published in Age of Awareness

·Nov 28, 2019

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

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

Food

5 min read

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

5 min read

Johannes Hirn, PhD

Johannes Hirn, PhD

46 Followers

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

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