Food processing and advertising, the energy problem, limits to population growth as they relate to food production, and nutrition in the future are among the subjects considered
Joan Dye Gussow was an American professor, author, food policy expert, environmentalist and gardener. The New York Times has called her the "matriarch of the eat-locally-think-globally food movement."
A compendium of writing, mostly from the 1970s, on issues surrounding food: overpopulation and food production, processing, advertising, environmentalism, etc. Surprisingly little of the selected articles seem out of date, which could either show that the book is rather prescient or that not much has changed in the past 35 years. I'm not sure myself.