FOR BACON LOVERS WORRIED ABOUT CLIMATE CHANGE
Lettuce Produces More Greenhouse Gas Emissions than Bacon Does;A vegetarian diet does not necessarily have a low impact on the environment
Brittany Patterson, December 15, 2015 (Scientific American)
“Bacon lovers of the world, rejoice! Or at the least take solace…[O]n a per-calorie basis, many fruits, vegetables, dairy and seafood [are relatively resource-intensive]…Lettuce, for example, produces three times more greenhouse gas emissions than bacon [but beef was 3 ½ times more environmentally intensive than pork. A] meta-analysis of life-cycle assessments quantifying the water, energy use and emissions for more than 100 foods...found fruits have the largest water and energy footprint per calorie. Meat and seafood have the highest greenhouse gas emissions per calorie…Onions, okra, carrots, broccoli and Brussels sprouts all have decent environmental footprints. Lettuce, on the other hand, is difficult to grow, harvest and transport [and requires significant amounts of water and energy to produce…[The author of a similar 2014 analysis called the bacon-lettuce comparison ‘ridiculous’ because lettuce does not have the same food value as bacon]…Switching to a lacto-ovo vegetarian diet would result in a 33 percent decrease in emissions. Vegan diets are 53 percent more efficient…[E]nvironmentalists and public health experts are hoping to see the [health] considerations included in the official guidelines…[because if you totally forget health, you'd eat a lot more fats and sugars]…" click here for more
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