Reducing your carbon footprint could start with your dinner. A new report, published in the journal Frontiers in Nutrition , suggests that going vegan could almost halve your diet's carbon footprint. And it would still be highly nutritious.

The researchers compared an omnivorous Mediterranean diet—which typically emphasizes plant-based eating along with lean proteins—to a pescatarian, ovo-lacto vegetarian, and vegan diet. They composed four, week-long menus that included breakfast, a mid-morning snack, lunch, and dinner.

The pescatarian meal plan substituted meat and its derivatives with plant based foods like tofu and textured soy protein, or animal-based foods allowed in the diet, like fish, eggs, and cheese, while the vegetarian allowed for eggs and dairy but no meat. The ve

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