Urban agriculture


saladOne of the mantras of the eat-local movement is to eat what is in season. This has several advantages, among them reduction in energy used in shipping foods hundreds or thousands of miles, as well as saving the monetary and environmental costs associated with the energy saved. Other advantages are the increase in dietary variety and improved nutritional quality. Instead of eating the same half dozen foods all the time, sometimes from local sources, sometimes from a hemisphere away, eating locally means consuming early, late and winter season foods as they are available.

I’m now producing food year-round, so I am changing my eating habits to match what I produce. (more…)

I’ve often viewed agriculture, urban agriculture in particular, from a resource perspective. In order to grow food, people need access to land, water, genetic stock and knowledge. I’ve taken for granted one absolutely essential resource: energy from the sun. This is available to everyone, everywhere, right? (Of course, I’m ignoring the far north and far south polar regions, that lose sunshine for months at a time.) Turns out I am wrong. I need to include access to sunshine as one of the critical factors. (more…)

The Great Wall of China has been getting lots of attention this week, as part of the Olympics coverage. But, my Great Wall is a blackberry picking site I discovered last year with my friend Karen. In the Bay Area, August is blackberry month, and we’ve been out twice now to the site. This is a popular site, in fact that’s how we found it last year, driving by and seeing a number of pickers scattered along the hillside. We now go out prepared, with lots of containers, pruning shears and leather gloves. So far I’ve picked and frozen 14 pints of berries. (more…)

One of the key problems for urbanites who want to grow food is access to land. Some people simply don’t have land; others have land that isn’t usable, due to soil toxicity or excessive shade. I recently had dinner with an apartment dwelling woman, Elena, from Kazakhstan, who mentioned that her downstairs neighbor shares food that she grows on her dacha. I always thought a dacha was something just for the wealthy and powerful, that is, that they were large estates or second homes few could afford. But, Elena told me that it was very common for people in Kazakhstan to have dachas, small plots just outside of cities, often with a small hut or cottage to spend the night. Since Elena had told me that most people in Kazakhstan don’t have cars, I asked how her neighbor got to her dacha. She rides the bus. (more…)

Because industrial agriculture is in trouble, creative approaches are needed to respond to threats to food security that we face. While industrial agriculture gets some of its efficiency from a centralized production model that provides economies of scale, centralized systems are notably poor at adapting to change. To adapt to change, decentralized and small systems are much better, because many small and different approaches provide more chances to find better approaches to new conditions. When something isn’t working, they also respond much more quickly; it’s much easier to turn around my small kayak than it is a big oil tanker. This ability to adapt is why much more innovation in technology takes place in small firms than large firms. (more…)

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