> > I don't see cows being kept on rooftops. Cow-sized staircases would just > consume too much space! But I do see small dairy operations within easy > walking distance of city centres. > > Dawie >
LOL. Probably not cows. But a goat could. And chickens. Milk and eggs. They eat the scraps from the rooftop garden and turn it back into protein for the humans and fertilizer for the garden. We need to start seeing our roofs as something other than wasteland helping generate a heat island and view it as a land area that we could use for food and energy production. _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
