Food For Thought: Dietary Changes Can Improve Our Health, Health Of Planet

Photo by UN News

By UN News

Our health and what we eat are inextricably linked. A balanced, nutritious diet gives us energy, keeps us focused and keeps many medical conditions at bay.

But what and how we eat is just as important to planetary health, and right now our diets are helping to create a sickly Earth. Growing consumption of resource intensive-food, such as (red) meats, ultra-processed food, combined with a huge amount of food waste, is driving the conversion of land for agriculture—which is destroying ecosystems, reducing biodiversity, and contributing to climate change.

One-third of our food is lost or wasted, generating eight per cent of greenhouse gas emissions at a cost of US$1 trillion per year. This is happening while 820 million people are undernourished. Emissions from the food sector could rise by 40 per cent by 2050.

Momentum is growing, however, for a shift to sustainable diets that protect the health of people and planet. At the C40 cities network summit in Copenhagen, just before this year’s celebration of World Food Day, 14 cities signed up to the Planetary Health Diet. If adopted universally, this diet would reduce greenhouse gas emissions, feed 10 billion people and save 11 million lives each year.

According to the EAT-Lancet Commission, a planetary health plate should consist largely of vegetables and fruits, with the rest made up with whole grains, plant protein sources, unsaturated plant oils, and, occasionally, small amounts of meat or fish.

Mayors from Barcelona to Toronto are promising to change the food cities buy, cut food loss and waste, and introduce policies that make healthy and low-carbon food affordable and accessible.

“The old saying goes, ‘You are what you eat’, but our planet is also being shaped by what we put in our stomachs,” said Clementine O’Connor, Programme Officer on Sustainable Food Systems. “We all need to think more carefully about diets that improve planetary health, as well as our own.”

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