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Will Allen: Agriculture Is One of the Most Polluting and Dangerous Industries

While the regulators were twiddling their thumbs and looking the other way, they were getting away with murder. No, I’m not talking about Wall Street. I’m talking about the Industrial Agriculture Complex. Unsustainable farming practices, synthetic fertilizers, and widespread pesticide use accounts for a massive portion of total US carbon output—and not just carbon dioxide: methane and nitrous oxide, which are far worse. And that’s not all. The monstrous excesses of Big Ag include killing the soil, polluting our water, and mistreating millions of animals.

Will Allen, author of The War on Bugs, takes on Big Agriculture in this piece for Alternet:

Taxpayers are demanding that government enforce existing regulations and create more stringent rules to limit the excess and greed in banking, insurance, housing, and on Wall Street. But, in the rush to regulate, we can’t forget to oversee industrial agriculture. It is one of our most polluting and dangerous industries. Like the financial sectors, its practices have not been well regulated for the last thirty years. Let me run down a few of the major problems that have developed because of our poorly regulated U.S. agriculture.

Carbon Foot Print: The U.S. EPA estimated in 2007 that agriculture in the U.S. was responsible for about 18% of our carbon footprint, which is huge because the U.S. is the largest polluter in the world. This should include (but doesn’t) the manufacture and use of pesticides and fertilizers, fuel and oil for tractors, equipment, trucking and shipping, electricity for lighting, cooling, and heating, and emissions of carbon dioxide, methane, nitrous oxide and other green house gases. Unfortunately, the EPA estimate of 18% still doesn’t include a large portion of the fuel, the synthetic nitrogen fertilizer, some of the nitrous oxide, all of the CFCs and bromines, and most of the transport emissions. When they are counted, agriculture’s share of the U.S. carbon footprint will be at least 25 to 30%.

Oftentimes we see all greenhouse gasses as being equivalent to carbon dioxide (CO2). But, methane emissions are 21 times and nitrous oxides 310 times more damaging as greenhouse gasses than CO2. Since agriculture is one of the largest producers of methane and nitrous oxide, the extent of the agricultural impact is staggering. Unless we change our bad habits of food production and long distance delivery, we will not be able to deal with climate change.

Fertilizer Pollution/Dead Zones: Factory farming is polluting the ground, river, and ocean water with high amounts of nitrogen, phosphorous, and other fertilizers. High levels of nitrates and nitrites were found in twenty-five thousand community wells that provided drinking water to two thirds of the nation’s population. More than fifteen million people in two hundred eighty communities are drinking water with phosphorous or phosphates which mostly come from industrial farming operations.

Nitrate and phosphorous fertilizer runoff flow into the rivers and ultimately end up in the ocean.  The river water rides up over the heavier salt water when it reaches the ocean and algae blooms develop on the fertilizer rich water. When the algae die, the bacteria use up all of the oxygen in decomposing them. This creates an oxygen dead (or hypoxic) zone. In 1995, scientists identified 60 dead zones around the world.

Recent results published in 2008 identified 405 oceanic dead zones. The prime cause for dead zones is the use of highly soluble synthetic fertilizers, which are overused to obtain maximum yields. The government regulations on the total maximum daily load (tmdl) of synthetic nitrogen, or phosphorous fertilizer coming off of farms were established under the Clean Water Act. But those statutes are routinely not enforced. There are exceptions, but in general the regulators have been in a thirty-year coma.


If We Can’t Fix it, Let’s Change it!: While U.S. factory farming can’t be fixed, the good news is that changing U.S. agriculture it is not an unattainably complex goal. However, it does call for a paradigm shift. We must stop pretending that fossil based fertilizer and fuel is endless, sustainable, or environmentally justifiable. The Green Revolution is over! After one hundred years of use the jury is in. What looked in 1909 like a cheap and efficient fertilizer has polluted our drinking water, turned deadly to the oceans, is increasingly more expensive, and today is doing more harm than good. We must dramatically reduce the use of synthetic nitrogen fertilizer and began an immediate phase out.

In 1945, only five percent of the nitrogen used on U.S. farms was synthetic. Now, more than ninety-five percent is. Before the synthetic takeover, farmers grew fertilizer crops and applied small amounts of composted manure for fertility and tilth, to increase organic matter, and to feed the microorganisms. These techniques and more modern ones are used by both organic and non-organic farmers today and enable them to produce high yields of quality produce, meat, fiber, oilseeds, and grains. Farmers all over the world are getting higher yields of calories per acre on diversified organic farms than on monocultural chemical or GMO farms.

Read the whole article here.


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