Going veggie would cut global food emissions by two thirds and save millions of lives – new study
Eating more fruit and vegetables and cutting back on red and processed meat will make you healthier. That’s obvious enough. But as chickens and cows themselves eat food and burn off their own energy, meat is a also major driver of climate change. Going veggie can drastically reduce your carbon footprint.
This is all at a personal level. What about when you multiply such changes by 7 billion people, and factor in a growing population?
In our latest research, colleagues and I estimate that changes towards more plant-based diets in line with the WHO’s global dietary guidelines could avert 5m-8m deaths per year by 2050. This represents a 6-10% reduction in global mortality.
Food-related greenhouse gas emissions would also be cut by more than two thirds. In all, these dietary changes would have a value to society of more than US$1 trillion – even as much as US$30 trillion. That’s up to a tenth of the likely global GDP in 2050. Our results are published in the journal PNAS.
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