Big ideas---Stacked greenhouse food-growing, with recycled water, passive and active solar, and use of aeroponics and hydroponics, soil-free.
Excellent graphics, fine use of sub-heads, clear language, loads of white space.
But---Despommier refers to "nutrients" that will both nurture the plants, and provide the consumer with what she/he needs for health, but there is no definition of these. What are they and from what are they derived? Are they or are they not "chemicals?"