The United States doesn't have the highest obesity rate in the Americas (that dubious honor goes to Mexico), but over one-third of US adults are currently obese, and that number isn't dropping. It's a pretty eye-opening statistic, especially when compared with data from countries like Japan and India, where obesity rates fall below five percent.

Peter Menzel and Faith D'Aluisio traveled the world documenting that most basic of human behaviors - what we eat. Their project, "Hungry Planet," depicts everything that an average family consumes in a given week-and what it costs - laid out in thought-provoking detail.

lesson plan examples on food, culture, and society