Occupy Detroit occupies a neighborhood in Detroit. They are squatting in six abandoned houses, fixing them up. The next stage? Positive protest of clean-ups and barnraisings, community gardens and orchards? Seeds of resilient (and urban ecological) communities?
Be the change by daily labor at local production, swadeshi, the heart of satyagraha and way to ahimsa. Gandhian economics from the ground up.
There are solar bottle skylights as well
In the 19th century and earlier, sometimes people would put bottles of water in sunny windows to gather heat. The darker the bottle, the warmer the water got.