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Your Questions About Food and Climate Change, Answered

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Meat and dairy have an outsize impact, accounting for 14.5% of the world’s greenhouse gases each year. That’s the same amount as the emissions from all the cars, trucks, airplanes and ships combined in the world today.

JULIA MOSKIN: ‘Does what I eat have an effect on climate change? Yes. The world’s food system is responsible for about one-quarter of the planet-warming greenhouse gases that humans generate each year… Which foods have the largest impact? Meat and dairy, particularly from cows, have an outsize impact, with livestock accounting for around 14.5 percent of the world’s greenhouse gases each year. That’s roughly the same amount as the emissions from all the cars, trucks, airplanes and ships combined in the world today. In general, beef and lamb have the biggest climate footprint per gram of protein, while plant-based foods tend to have the smallest impact. Pork and chicken are somewhere in the middle…

Is there a simple food choice I can make that would reduce my climate footprint? Consuming less red meat and dairy will typically have the biggest impact for most people in wealthy countries. That doesn’t necessarily mean going vegan. You might just eat less of the foods with the biggest climate footprints, like beef, lamb and cheese. If you’re looking for substitutes, pork, chicken, eggs and mollusks have a smaller footprint. But plant-based foods like beans, pulses, grains and soy tend to be the most climate-friendly options of all…

So are you saying I should become a vegan? If you’re interested in taking the plunge, a vegan diet does have the smallest climate footprint around… Another approach would be to simply eat less meat and dairy, and more protein-rich plants like beans, legumes, nuts and grains. (Here are recipes that go heavy on beans and grains.) You could go vegetarian: no meat, poultry and fish, but dairy and eggs are allowed. The advantage here is that the rules are simple, and food manufacturers and restaurants are used to accommodating vegetarians’. SOURCE…

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