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I HAVE been writing a lot about food recently, from the perspective of both human and planetary health and longevity. Happily, those two goals are often in harmony – in a nutshell, eat less meat and other animal products – which gives me a healthy inner glow topped with a green halo. I stopped eating the flesh of mammals and birds a few years ago and largely stick to a Mediterranean-style diet, which involves eating more fruit, vegetables and whole grains.
But as I found out recently to my dismay, I may have to relinquish that halo. Like many environmentally conscious eaters,…
