U.S .- based Johns Hopkins Center for a Livable Future scientists looked at diets in 140 countries around the world and assessed their food production’s ecological impact to find ways to mitigate climate change. They found that doing away with a heavy diet in meat and dairy would be an important first step. Methane (CH4) is a by-product of cow digestion and accounts for most livestock emissions. Livestock production is responsible for greenhouse gas emissions, such as nitrous oxide (N20) and carbon dioxide (CO2), which often require comprehensive nitrogen-based fertilizer applications.

Diets in which nutrition comes primarily from animals in the low food chain – such as small fish and mollusks – have been found to have almost as low an impact on the environment as a vegan diet contrary to diets rich in meat and dairy products. Researchers also found that a diet that reduced the consumption of animal food by two-thirds – called “two-thirds vegan” by study authors – generally had a lower climate and water footprint than vegetarian diets that included eggs and diaries, but not fish. Plus, a vegan diet is the best for one’s health and aids to prevent vital health disorders

 

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