Environmental benefits of replacing meat with farmed salmon discussed
Two recent intriguing studies tackle this issue. The first is an extensive research conducted by Poore and Nemecek, published in Science. The second is a Norwegian study by the non-profit organization Future in Our Hands (FIOH). Our dietary choices significantly affect not only our personal health but also the health of our planet. In a Guardian article, Joseph Poore from the University of Oxford, UK, stated that adopting a vegan diet is likely the most effective way to lessen our environmental footprint, including greenhouse gases, global acidification, eutrophication, land and water use. He further stated that this impact is greater than reducing air travel or purchasing an electric car, as these actions only decrease greenhouse gas emissions. So, what would this transformation look like on your dinner table? FIOH has estimated the amount of farmland required to produce a single meal. The reason why salmon has the same impact as a vegan meal is due to the fact that part of the fish feed comes from marine resources and that fish, being cold-blooded and aquatic, are highly efficient at converting feed, with a 68% edible yield. Some might argue that livestock production utilizes local feed, while salmon production relies on feed transported over long distances. This argument has some merit, but it doesn't tell the whole story, at least according to FIOH. FIOH examined the location of arable land. This study was conducted in Norway, and the results may not be the same in other regions, but the findings are remarkable; a serving of chicken, pork, or beef all require more foreign farmland than farmed salmon, and they also use local farmland. Pasture land is not included: it adds an additional 1.9 square meters to the beef meal. The extensive study by Poore and Nemecek emphasizes that there isn't a one-size-fits-all solution. There is a significant variety within each category of crop or livestock production. The silver lining is that by understanding this diversity, we can enhance our food production system. Nevertheless, the trend towards reducing meat and dairy consumption appears clear.