According to new research from the University of Cambridge, the world’s growing and increasingly wealthy population must change its diet if environmental harm and catastrophic climate change are to be avoided. Lead researcher Bojana Bajzelj and her colleagues used projections of population and economic growth to estimate how much agricultural land would be needed to sustain the world’s food needs by the middle of the century. Their findings, they claim, tell us that we should eat far less red meat, waste less food and eat more healthy foods.

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