ENV100Y5 Lecture 22: ENV100 - 22 - Agriculture and Biotechnology
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ENV100Y5 Full Course Notes
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Document Summary
Almost 1 billion people don"t get enough to eat on a regular basis. Approximately 1 billion people are overweight or obese. Too little and too much food are both problematic from a global perspective: malnutrition = unbalanced diet (shortage of required nutrients or excess) In canada, 48% of adults exceed their healthy weight and 14% are obese: calorie gap between rich and poor. Diseases of malnutrition: marasmus: severe deficit of energy, protein & carbohydrates, kwashiorkor: protein & micronutrient deficiency diseases of malnutrition (getting calories but they"re very poor quality calories; swollen bellies, excess fats, carbohydrates, calories, diabetes, heart disease, obesity. Urban poor: no means to produce food; have few resources to buy it victims of catastrophes. Victims of catastrophes: floods, droughts, earthquakes, etc. force people to abandon land. The most vulnerable people for natural disasters and people who face food security often live in tropical coasts.
