"Zabaleen" is the Arabic term for those visionary and enterprising people whose culture revolves around recycling. The Zabaleen are experts at "transforming one man's garbage into another man's gold" and aspire toward a net zero-waste economy. Applied and supported this could lead to true energy independence, not only by radically reducing our demand for "raw materials" and hard to extract natural resources but by recycling other less obvious phenomena and materials that are now wasted.
Since we are planning on tearing out part or all of the driveway of our Eco-home retrofit (because we think it is tragic that car-centric America puts the driveway and garage right into your face!) we will have lots of leftover concrete pieces. Rather than use a truck and waste time, money, gas and labor sending the concrete to a landfill, we can use it to create a beautiful herb spiral -- something much nicer to see from the street, and part of our "edible landscaping" adventure.