Research suggests the global shift to a plant-based flexitarian diet may help curb global warming

A global shift to a plant-based "flexitarian" diet could help reduce greenhouse gas emissions and potentially limit global temperature rise to 1.5 degrees Celsius, a new study suggests.

The study, published in the journal Science Advances, suggests that by reducing meat consumption and increasing intake of plant-based foods, the impact of current food emissions rates on meeting key international climate targets could be prevented.

"The shift towards healthy diets is not only good for personal health, the land and food systems, but also has consequences for the economy as a whole," said Florian Humpenöder, senior scientist at the Potsdam Institute for Climate Impact Research, noting that there is an urgent need to accelerate emissions reductions.

Policies that tax or explicitly price greenhouse gas emissions could provide incentives to reduce carbon footprints, but researchers believe government efforts in this regard will have little effect.

Research has found that adopting a flexitarian diet reduces methane and nitric oxide emissions from agriculture, reducing the impact of food production on water, nitrogen and biodiversity. This would further reduce the economic costs associated with human health and ecosystem degradation, and reduce the pricing or abatement costs of greenhouse gas emissions by 43% in 2050.

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