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The Miraculous Effects
Of Cutting Back On Meat

By Kathy Freston
Huffington Post
My first post on the effect of eating meat on the environment (see below) provoked quite a bit of discussion, so in honor of Earth Day, I thought I should follow up with more information about how our natural resources (e.g., air, water, and soil) are depleted and devastated by animal agriculture.
Of course, Earth Day is also a good time to remember that animal agriculture only exists at these levels because people are purchasing vast quantities of chicken, beef, pork, and fish. The market for meat (i.e., we, the consumers) drives the depletion and destruction.
* Excrement produced by chickens, pigs, and other farm animals: 16.6 billion tons per year -- more than a million pounds per second (that's 60 times as much as is produced by the world's human population -- farmed animals produce more waste in one day than the U.S. human population produces in 31Z2 years). This excrement is a major cause of air and water pollution. According to the United Nations: "The livestock sector is... the largest sectoral source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas, degradation of coral reefs, human health problems, emergence of antibiotic resistance and many others."
* Water used for farmed animals and irrigating feed crops: 240 trillion gallons per year -- 7.5 million gallons per second (that's enough for every human to take 8 showers a day, or as much as is used by Europe, Africa, and South America combined). According to the UN: "[t]he water used by the sector exceeds 8 percent of the global human water use." As just one example, "[O]n average 990 litres of water are required to produce one litre of milk." So drinking milk instead of tap water requires almost 1,000 times as much water.
* Emissions of greenhouse gases from raising animals for food: The equivalent of 7.8 billion tons of carbon dioxide per year, according to the UN report. Concludes the UN: "The livestock sector is... responsible for 18% of greenhouse gas emissions.." That's about 40 percent more than all the cars, trucks, planes, trains, and ships in the world combined (transport is 13%). And "The sector emits 37% of anthropogenic methane (with 23 times the global warming potential -- or GWP--of CO2)... It emits 65% of anthropogenic nitrous oxide (with 296 times the GWP of CO2). These figures are based on the power of these gases over 100 years; in fact, over 20 years -- a more important timeframe for dealing with global warming -- methane and nitrous oxide are 72 times and 289 times more warming than CO2. And Dr. Rajendra Pachauri, Chair of the IPCC (which shared the Nobel Peace Prize with Al Gore) has been saying that the 18% figure is probably an underestimate.
* It takes more than 11 times as much fossil fuel to make one calorie of animal protein as it does to make one calorie of plant protein.
* Soil erosion due to growing livestock feed: 40 billion tons per year (or 6 tons/year for every human being on the planet -- of course if you don't eat meat, none of this is attributed to you; if you're in the U.S. where we eat lots more meat than most of the world, your contribution is many times greater than 6 tons/year). About 60% of soil that is washed away ends up in rivers, streams and lakes, making waterways more prone to flooding and to contamination from soil's fertilizers and pesticides. Erosion increases the amount of dust carried by wind, polluting the air and carrying infection and disease.
* Land used to raise animals for food: 10 billion acres. According to the UN: "In all, livestock production accounts for 70 percent of all agricultural land and 30 percent of the land surface of the planet." And "70 percent of previous forested land in the Amazon is occupied by pastures, and feedcrops cover a large part of the remainder." And "About 20 percent of the world's pastures and rangelands, with 73 percent of rangelands in dry areas, have been degraded to some extent, mostly through overgrazing, compaction and erosion created by livestock action."
* According to the UN, animal agriculture is a leading case of water pollution. The main water pollutants in the US are sediments and nutrients.. Animal agriculture is responsible for 55 percent of the erosion that causes sedimentation, and for a third of the main nutrient pollutants, nitrogen and phosphorous. On top of that, animal agriculture is the source of more than a third of the United States' water pollution from pesticides, and half of its water pollution from antibiotics.
* Livestock are also responsible for almost two-thirds of anthropogenic ammonia emissions, which contribute significantly to acid rain and acidification of ecosystems.
* Grain and corn raised for livestock feed that could otherwise feed people, according to the UN: 836 million tons per year (note that the more commonly used figure, 758 million tons, is metric). That's more than 7 times the amount used for biofuels and is much more than enough to adequately feed the 1.4 billion humans who are living in dire poverty, and the number doesn't even include the fact that almost all of the global soy crop (about 240 million tons of soy) is also fed to chickens, pigs, and other farmed animals.
* An American saves more global warming pollution by going vegan than by switching their car to a hybrid Prius.
* Razing the Amazon rainforest for pasture and feed crops: 5 million acres of Amazon per year. Former Amazon rainforest converted to raising animals for food since 1970 is more than 90% of all Amazon deforestation since 1970.
* According to the UN: "Indeed, the livestock sector may well be the leading player in the reduction of biodiversity. .." And "[l]ivestock now account for about 20 percent of the total terrestrial animal biomass, and the 30 percent of the earth's land surface that they now pre-empt was once habitat for wildlife." And "Conservation International has identified 35 global hotspots for biodiversity, characterized by exceptional levels of plant endemism and serious levels of habitat loss. Of these, 23 are reported to be affected by livestock production. An analysis of the authoritative World Conservation Union (IUCN) Red List of Threatened Species shows that most of the world's threatened species are suffering habitat loss where livestock are a factor."
United Nations scientists, in their 408-page indictment of the meat industry, sum up these statistics, pointing out that the meat industry is "one of the ... most significant contributors to the most serious environmental problems, at every scale from local to global," including "problems of land degradation, climate change and air pollution, water shortage and water pollution, and loss of biodiversity. "
Perhaps it's time to explore vegetarianism. Click here for tips http://www.huffingt onpost.com/ kathy-freston/ one-bite- at-a-time- a-begi_b_ 422 11.html>. Happy Eating!
United Nations statistics and quotes come from the FAO report "Livestock's Long Shadow" http://www.fao. org/docrep/ 010/a0701e/ a0701e00. HTM>. Other statistics come from the American Journal of Clinical Nutrition (Pimentel & Pimentel, 2003); the World Bank (Marglis, "Causes of Deforestation of the Brazilian Amazon," 2004); and Earth Interactions Journal (Eshel & Martin, "Diet, Energy, and Global Warming," 2006). Other non-attributed statistics were calculated by Noam Mohr, a physicist at New York University Polytechnic Institute.
http://www.huffingt onpost.com/ kathy-freston/ red-meat- vs-chicken- an-ar_b_1866 04.html
Nicholas Kristof's column on Wednesday http://www.nytimes. com/2009/ 04/09/opinion/ 09kristof. html> discusses the recent work by animal activists on behalf of chickens and pigs, and the degree to which "animal rights are now firmly on the mainstream ethical agenda" in the United States, as they have been for some years in Europe. I am delighted to see from Mr. Kristof yet another thoughtful essay about a moral issue that is, until recently, not widely discussed, and even more pleased that in discussing the cruelties of modern intensive farms, he is focusing on birds.
You see, people often tell me that they've given up eating red meat out of concern for animals, the environment, or their health (or all three). Of course all efforts to make the world a kinder and less polluted place should be applauded. But here's the thing: cutting out red meat while still eating chicken doesn't address the whole problem.
Here's why: Both choices -- beef and chicken -- badly damage the environment, so choosing one or the other is sort of like the difference between driving a huge SUV and a Hummer. That's also why I'm a little baffled when some environmental organizations say that cutting out beef is advisable, but eating other meats is "relatively" ok. It's really not.
On the issue of global warming, all animal agriculture is a nightmare, relative to producing grains and beans. In a 400 page report from the United Nation's Food and Agricultural Organization, Livestock's Long Shadow, scientists conclude that the business of raising animals for food is responsible for about 18 percent of all warming -- in fact meat causes about 40 percent more warming than all cars, trucks, and planes combined.
That is in part because turning animals into meat requires many stages of (energy intensive and polluting) production (i.e., transporting feed, animals, and meat; running feed mills, factory farms, and slaughterhouses; refrigerating carcasses during transport and in grocery stores -- chickens are at least as energy consumptive as cattle for all these stages), compared to plant foods.
Environmental Defense calculated that if every American skipped one meal of chicken per week and substituted vegetarian foods instead, the carbon dioxide savings would be the same as taking more than half a million cars off of U..S. roads. Imagine if we dropped all meat from our diets altogether.
And it's not just global warming, of course: In a story about chicken waste pollution, the New York Times reported in November that "[a]lthough the dairy and hog industry in states near the bay produce more pounds of manure, poultry waste has more than twice the concentration of pollutants per pound." I assume that's in part because poultry are given a lot more drugs than pigs and cattle -- because they're kept in even worse conditions and thus require more drugs.
When you have the attorney general of a state like Oklahoma battling poultry producers over the industry "wreak[ing] havoc in the 1-million-acre Illinois River watershed, turning it into a murky, sludgy mess," it seems pretty clear (to me) that environmentalists might want to think again about putting that product into even a "relatively" favorable category.
So it makes more sense to cut down on meat altogether, in favor of a more plant based diet, rather than trying to sort out which meats are relatively better or worse. And we can do so in stages.
For example, after looking at the health and environmental problems associated with chicken, beef, and pork, New York Times food writer Mark Bittman (in his superb new book Food Matters) suggests eating exclusively plant-based foods until 6 p.m., and then eating whatever you want for dinner. I know people who have tried this sort of plan, and they find -- quickly -- that they're eating more and more vegetarian food, even during the times when they eat whatever they want. Writes Bittman, "By reducing the amount of meat we eat, we can grow and kill fewer animals. That means less environmental damage, including climate change; fewer antibiotics in the water and food supplies; fewer pesticides and herbicides; reduced cruelty; and so on. It also means better health for you."
Similarly, the Johns Hopkins Bloomberg School of Health leads the "Meatless Mondays" campaign, which is supported by 28 other public health schools. Their goal is to cut Americans' meat-consumption, in order to lessen our risk for heart disease, cancer, diabetes, obesity, and so on. And of course, they rightly impugn all meat, not just "red" meat.
Although he vigorously advocates vegetarianism, the much adored Buddhist monk and Zen master, Thich Nhat Hanh, writes in his latest book that "[i]f you're not able to entirely stop eating meat, you can still decide to make an effort to cut back. By cutting meat out of your diet ten or even five days a month, you will already be performing a miracle -- a miracle that will help solve the problem of hunger in the developing world and dramatically reduce greenhouse gases."
These suggestions from Bittman, Johns Hopkins, and Thich Nhat Hanh strike me as much better half-measure alternatives to picking between various meats.
For those who want to do well by the environment, have more robust health, and consider the welfare of animals, the solution is not to just give up eating red meat, but rather lean away from eating animal products - chicken included - altogether.
A few things to remember:
* for animals the poultry industry is much worse than the beef or pork industries;
* for your health, it's a toss up at best;
* and for the environment, the poultry industry may not be quite as bad on global warming, but it's still bad, and it appears to be even worse in categories like water and air pollution.
NHNE Factory Farming Resource Page: http://www.nhne. org/tabid/ 451/Default. aspx
NHNE's Climate Change Resource Page: http://www.nhne. org/tabid/ 490/Default. aspx
NHNE's 1000 Most Recent Climate Change Articles: http://www.nhne. org/tabid/ 1050/Default. aspx
http://www.huffingt onpost.com/ kathy-freston/ an-earth- day-reflection-o_b_189979.html
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