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ALL THAT is grassy is not green. There are many good reasons to like local food, but any large-scale metropolitan farming will do more harm than good to the environment. Devoting scarce metropolitan land to agriculture means lower density levels, longer drives, and carbon emission increases which easily offset the modest greenhouse gas reductions associated with shipping less food.

But while neighborhoods benefit from the occasional communal garden, it is a mistake to think that metropolitan areas could or should try to significantly satisfy their own food needs. Good environmentalism is smart environmentalism that thinks through the total systemic impacts of any change. Farm land within a metropolitan area decreases density levels and pushes us apart, and carbon emissions rise dramatically as density falls.

We must weigh the environmental benefits from shipping less food against the environmental costs of producing and storing local food in a state that doesn’t exactly have ideal conditions for every kind of produce.

But the local food movement now threatens to devolve into another one of those self-indulgent — and self-defeating — do-gooder dogmas. Arbitrary rules, without any real scientific basis, are repeated as gospel by “locavores,” celebrity chefs and mainstream environmental organizations. Words like “sustainability” and “food-miles” are thrown around without any clear understanding of the larger picture of energy and land use.

The statistics brandished by local-food advocates to support such doctrinaire assertions are always selective, usually misleading and often bogus. This is particularly the case with respect to the energy costs of transporting food. One popular and oft-repeated statistic is that it takes 36 (sometimes it’s 97) calories of fossil fuel energy to bring one calorie of iceberg lettuce from California to the East Coast. That’s an apples and oranges (or maybe apples and rocks) comparison to begin with, because you can’t eat petroleum or burn iceberg lettuce.

The real energy hog, it turns out, is not industrial agriculture at all, but you and me. Home preparation and storage account for 32 percent of all energy use in our food system, the largest component by far. A single 10-mile round trip by car to the grocery store or the farmers’ market will easily eat up about 14,000 calories of fossil fuel energy. Just running your refrigerator for a week consumes 9,000 calories of energy. That assumes it’s one of the latest high-efficiency models; otherwise, you can double that figure. Cooking and running dishwashers, freezers and second or third refrigerators (more than 25 percent of American households have more than one) all add major hits. Indeed, households make up for 22 percent of all the energy expenditures in the United States. Agriculture, on the other hand, accounts for just 2 percent of our nation’s energy usage; that energy is mainly devoted to running farm machinery and manufacturing fertilizer. In return for that quite modest energy investment, we have fed hundreds of millions of people, liberated tens of millions from backbreaking manual labor and spared hundreds of millions of acres for nature preserves, forests and parks that otherwise would have come under the plow.

huff.use('threeup', function(t){ t.init({ frame: '#threeup_top_wrapper', content: '#threeup_content', node: '.threeup_entries', left: '#threeup_left_nav', right: '#threeup_right_nav', vertical: 'Culture', entry: '912044', version: '2' }); }) Charles Shaw Author, 'Exile Nation' GET UPDATES FROM Charles Shaw Like 5 Chasing Amy: Prohibition & the Infantilization Of Addiction Posted: 7/31/11 02:00 PM ET React HPFacebookVoteV2.init(912044, 'Chasing Amy: Prohibition & the Infantilization Of Addiction', 'I did not know Amy Winehouse. I never met her, never heard any of her music, and was not a \\\"fan.\\\" None of that seemed to matter when forming an opinion of her. What I did know about her was what I felt I was permitted to know, that she was a prodigious musical talent who, not surprisingly, had an even more prodigious penchant for substances, and her life was a 24-hour train wreck that was parsed out neatly in...', 'http://www.huffingtonpost.com/charles-shaw/chasing-amy-prohibition-t_b_912044.html', 'http:///images/icons/huffpostbigicon.jpg', 'Please join me at <a href="http://www.huffingtonpost.com/">Huffington Post</a>!', 'blog', ["Amazing","Inspiring","Funny","Scary","Hot","Crazy","Important","Weird"]); Amazing Inspiring Funny Scary Hot Crazy Important Weird Read more Amy Winehouse , Addiction , Prohibition , Culture News #news_entries #ad_sharebox_260x60 img {padding:0px;margin:0px} if(typeof ad_overrides == 'undefined' || ad_overrides.spots && jQuery.inArray('sharebox_260x60',ad_overrides.spots) > -1) { htmlAdWH("93315635", "260", "60","f"); var debugadcode = ''; document.write(debugadcode); } if(typeof social_campaign != 'undefined' && jQuery('.print-link')[0].href.indexOf(social_campaign) == -1 ) { var _print_href = jQuery('.print-link')[0].href; jQuery('.print-link').attr( 'href' , _print_href + '&comm_ref=' + social_campaign ) } share this story http://www.facebook.com/plugins/like.php?action=like&api_key=4d965afccc4d86c598dbf5d94fb34a7c&amp

This attitude, and paradigm, has got to change if we are ever to get to a saner, more compassionate (and yes, potentially profitable) Post-Prohibition society. The first step, as Amy's friend, the British actor Russell Brand, wrote in the Guardian, is to end the criminalization of use: We need to review the way society treats addicts, not as criminals but as sick people in need of care. We need to look at the way our government funds rehabilitation. It is cheaper to rehabilitate an addict than to send them to prison, so criminalisation doesn't even make economic sense. Not all of us know someone with the incredible talent that Amy had but we all know drunks and junkies and they all need help and the help is out there. All they have to do is pick up the phone and make the call. Or not. Either way, there will be a phone call. Addiction is not "a crime or a romantic affection," Brand concludes, "but a disease that will kill." Let's speak frankly here. Prohibition is as guilty for the death of Amy Winehouse as her addiction. Because when Amy used drugs she wasn't just indulging, she was breaking the law. There's a huge social stigma behind breaking the law, and it usually means unwanted attention, fear, hiding and lying. In The Exile Nation Project: An Oral History of the War on Drugs, Dr. Julie Holland, a psychatrist and emergency physician, explains that the hiding and lying of illegal and prohibited drug use leads to a pervasive feeling of shame, and that shame creates more of the intensely negative feelings and emotional states that lead to self-medication as a means of escape. This cycle is then reinfoirced over and over until it becomes hard-wired. "The way our drug policy is set up," she concludes, "it's turning us into addicts." Now imagine the pressure borne down upon a celebrity of Amy Winehouse's stature, struggling with a very public addiction. How can anyone in her position find the peace and solace, or simply the space, necessary to heal? Addiction takes years to overcome, you can't just stuff someone in rehab for 30 days, and then send them back out on tour, and expect them to be cured. Perhaps we still shove addicts into our collective shadow because we're afraid of addiction and we're afraid of losing control, and as a means of reinforcing control in ourselves, we project this fear onto those who we perceive as having lost control, and thus, are in violation of the social contract and deserving of punishment. We warehouse them so we don't have to look at them, and thus, don't have to look at ourselves.

We can stop this from happening. When those who are suffering are finally viewed with the compassion they deserve, rather than with the derision they receive. And when there is no longer any profit to be gained from their immiseration, then we will have taken that final necessary step to break the nefarious back of Prohibition, and move us slowly along into a saner, more rational world, one that would have helped Amy Winehouse and millions like her, instead of recklessly chasing her into her own grave.