But as world population continues to grow, can that last? A study led by researchers from the Potsdam Institute for Climate Impact Research (PIK) now suggests a comprehensive solution package for feeding 10 billion people within our planet’s environmental boundaries. Supplying a sufficient and healthy diet for every person whilst keeping our biosphere largely intact will require no less than a technological and socio-cultural U-turn. It includes adopting radically different ways of farming, reduction of food waste, and dietary changes. The study's publication coincides with the World Economic Forum in Davos and the International Green Week in Berlin, the world's biggest food and agriculture fair.
“When looking at the status of planet Earth and the influence of current global agriculture practices upon it, there’s a lot of reason to worry, but also reason for hope – if we see decisive actions very soon,” Dieter Gerten says, lead author from PIK and professor at Humboldt University of Berlin. “Currently, almost half of global food production relies on crossing Earth’s environmental boundaries. We appropriate too much land for crops and livestock, fertilize too heavily and irrigate too extensively. To solve this issue in the face of a still growing world population, we collectively need to rethink how to produce food. Excitingly, our research shows that such transformations will make it possible to provide enough food for up to 10 billion people.”
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