The book Toolbox for Sustainable City Living, by Scott Kellogg and Stacy Pettigrew, discusses the nitty gritty of composting, raising chickens, aquaponics, bioremediation of polluted land, water purification, and other topics that seem alien to the interests of modern North Americans. I bought it because some friends and I are pondering technologies and skills that may be relevant to meeting the basic nutritional needs of a particular community in Mexico whose residents are so poor they can hardly afford the bus ride to a supermarket. Continue reading Shall we cut way, way, way back?