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At the Intersection of Diet and Climate Change

Last Updated on February 27, 2025

On a recent Sunday, Foothills Unitarian Universalist Fellowship saved 10 animals. Not with an animal rescue ministry; by merely making a vegan diet the theme of their monthly potluck. They served only vegan and vegetarian food.

Some of the congregants don’t cook or eat this way, but they were good-natured about the event. In fact, many people visited the plant-based protein, milk, and cheese tasting tables, trying new foods, and, often, coming back for more. And Diane’s vegan cupcakes satisfied even the staunchest omnivores.

The result: the small congregation saved 10 animals in one meal.

The Impact of Diet on Climate Change

They also saved 127 pounds of carbon dioxide and 301 square feet of forest, because reducing your consumption of animal products can protect the environment, too. In fact, switching to a plant-based diet can be the most powerful impact you can make on the planet.

Everyone making just one change –  substituting beans for beef – can reduce greenhouse gas emissions enough to get close to climate goals. Even if no other changes were made: Peter still eats chicken. Martin enjoys his omelet. By eating more plants instead of animals, you help the environment more than driving a Prius.

Girl at a protest with a sign that says, 'we can be ehroes just for one day.' Vegan diet and the environment.

Try the Vegan Calculator to see the impact of a plant-based diet on climate change.

The environmental impact of one day eating vegan.

Animals saved = 1

Pounds of CO2 saved = 20

Square feet of forest saved = 30

Pounds of grain saved = 40

Gallons of water saved = 1,100

 

The Horror of Factory Farming of Animals

Animal farming is terrible for the environment.  We could feed an extra 4 billion people with the grain eaten by animals in factory farms.

Erik Marcus at the fantastic website vegan.com says,

Society can’t do without motor vehicles and we don’t yet have the ability to affordably switch electricity generation worldwide to clean energy sources. Eliminating animal products from our diet, by contrast, saves money, and is also likely to reduce health care costs. Given the severity of the threat that climate change poses to humanity and wildlife alike, diet deserves to be acknowledged as probably the most effective way for most of us to protect the environment.

Give it a try. Visit vegan.com for tips to get started on a vegan diet.

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This Post Has 5 Comments

  1. Michele Somerville

    I don’t want to start a ruckus here, do you think the effects are less with wild game versus factory farmed? Seriously wondering. Good article, thanks for sharing the information. Blessings, Michele

    1. Terri Lyon

      Hi Michele! I think it is a great question and you are correct. Factory farming of animals is terrible for the environment but wild game likely doesn’t have an impact. If everyone reduced their consumption of animal products it would have more of an impact than fewer people going completely vegan. A great place to get information is the website vegan.com. Terri

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