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Which Plant-Based Milk Is Best for the Planet (And You)?

There's no simple answer: Non-dairy milks vary widely in their nutritional content and impacts on the Earth.

ByCarla Delgado
Credit: Anna Puzatykh/Shutterstock

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Once a staple in the U.S. diet, dairy milk sales have declined in recent years. Although the demand for plant-based milk alternatives likely plays a role, it isn’t the primary driver of the downward trend. According to a 2020 Journal of Agricultural and Applied Economics study, the dip in dairy milk sales still outpaces the rise in plant-based milk sales.

Consumers decide to switch to milk alternatives to cut down animal product consumption and minimize their environmental impact, a 2017 survey indicated. While dairy milk is commonly recognized as resource-intensive, plant-based alternatives —which come from cereals, legumes, vegetables, seeds, and nuts — come with environmental impacts, too.

If you’re looking for the most sustainable plant-based milk alternatives to switch to, here’s some facts to consider:

The carbon footprint per kilogram of milk produced in the U.S. in 2007 is only 37 percent of that produced in 1944, according to a ...

  • Carla Delgado

    Carla Delgado is a freelance science journalist writing about health and sustainability. She has bylines in Popular Science, Insider, VeryWell, and Architectural Digest, among others.

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