Another heat exchanger strategy is to store excess summer heat deep underground. It can be pumped up six months later for winter use. Today the average distance that food travels to reach consumers is 1500 miles. In the village, each rooftop will grow food in greenhouses and open terraces. Children experience the magic of life and growth when they tend their own garden.
Children also experience their contribution to the economy of the family.
An average 20 by 20 foot rooftop garden will yield 300 pounds of fruits and vegetables annually. This represents a significant proportion of a family of four's annual fruit and vegetable consumption. Kokopelli Kokopelli sustained the quality of village corn in pre-Columbian villages by carrying seed and song between communities. 15 members of the Virtual High Learning Community are planning to make a Kokopelli Journey, travelling by bus to Mexico visiting sustainable communities along the way. Information gathered from these communities will be uploaded daily to the Internet.