GG102 Lecture Notes - Demographic Transition, Virtual Water, Western Pattern Diet
Document Summary
Stage 2: high birth rate, declining death rate. There are several problems with applying the dtm to developing countries today: based on european experience. Discourse analysis how the world should work": treats all cultures the same, forgets" about rapid industrialization (based partly on colonial exploitation!, forgets" about massive emigration. Food and (virtual water) are traded globally. But we don"t seem to be able to end hunger. The more processed our diet is, the cheaper it is (in relative terms) How are food and water becoming globalized? (mechnanisms) Impact of global shift to western diet on water. Rising middle class in china and india. 300 million people will join global middle class over the next decade. Western diet of 3000 kcal, including 20% animal-based protein. Would require more water than exists on earth. Gps guides autonomous harvester on permanent tracks (3/27, 2cm) Measures yield as it cuts, optimizes speed after parametres. Gis constructs cap that correlates all factors.
