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    Vegetarian diet could be more harmful to the environment than bacon

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    graham64
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    Vegetarian diet could be more harmful to the environment than bacon

    Post by graham64 on Tue Dec 15 2015, 22:03

    Carnegie Mellon Study Finds Eating Lettuce Is More Than Three Times Worse in Greenhouse Gas Emissions Than Eating Bacon

    Contrary to recent headlines — and a talk by actor Arnold Schwarzenegger at the United Nations Paris Climate Change Conference — eating a vegetarian diet could contribute to climate change.

    In fact, according to new research from Carnegie Mellon University, following the USDA recommendations to consume more fruits, vegetables, dairy and seafood is more harmful to the environment because those foods have relatively high resource uses and greenhouse gas (GHG) emissions per calorie. Published in Environment Systems and Decisions, the study measured the changes in energy use, blue water footprint and GHG emissions associated with U.S. food consumption patterns.

    “Eating lettuce is over three times worse in greenhouse gas emissions than eating bacon,” said Paul Fischbeck, professor of social and decisions sciences andengineering and public policy. “Lots of common vegetables require more resources per calorie than you would think. Eggplant, celery and cucumbers look particularly bad when compared to pork or chicken.”

    Fischbeck, Michelle Tom, a Ph.D. student in civil and environmental engineering, and Chris Hendrickson, the Hamerschlag University Professor of Civil and Environmental Engineering, studied the food supply chain to determine how the obesity epidemic in the U.S. is affecting the environment. Specifically, they examined how growing, processing and transporting food, food sales and service, and household storage and use take a toll on resources in the form of energy use, water use and GHG emissions.

    On one hand, the results showed that getting our weight under control and eating fewer calories, has a positive effect on the environment and reduces energy use, water use and GHG emissions from the food supply chain by approximately 9 percent.

    However, eating the recommended “healthier” foods — a mix of fruits, vegetables, dairy and seafood — increased the environmental impact in all three categories: Energy use went up by 38 percent, water use by 10 percent and GHG emissions by 6 percent.

    “There’s a complex relationship between diet and the environment,” Tom said. “What is good for us health-wise isn’t always what’s best for the environment. That’s important for public officials to know and for them to be cognizant of these tradeoffs as they develop or continue to develop dietary guidelines in the future.”

    CMU’s Steinbrenner Institute for Environmental Education and Research and the Colcom Foundation funded this research.

    http://www.cmu.edu/news/stories/archives/2015/december/diet-and-environment.html

    If your a vegetarian don't shoot the messenger  guns


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    chris c
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    Re: Vegetarian diet could be more harmful to the environment than bacon

    Post by chris c on Wed Dec 16 2015, 17:25

    Probably the least environmentally costly foods are grazing animals on permanent grassland which needs almost no maintenance or chemical/diesel input. Tasty too!
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    Derek
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    Re: Vegetarian diet could be more harmful to the environment than bacon

    Post by Derek on Thu Dec 17 2015, 15:47

    Some of these studies were based on cutting down Amazonia to produce cheap beef for the USA.
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    chris c
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    Re: Vegetarian diet could be more harmful to the environment than bacon

    Post by chris c on Fri Dec 18 2015, 18:42

    Yes, fed on GM soy and grains. There's a world of difference - literally

      Current date/time is Fri Jun 23 2017, 04:22