Catalyst 10/16: Earth as an Apple 1.Work in groups of 3 to cut the apple and answer the questions accordingly.

Feeding the World Objective: I will discuss the world’s current food problem and the industrialized food production process that has caused it.

Food Supply Systems Croplands Grains – 77% of the world’s food – 11% of the world’s land area Rangelands, pastures, and feedlots – Meat and meat products – 16% of the world’s food – 29% of the world’s land area Fisheries and aquaculture – 7% world’s food

Food Supply Systems Grain crops is the world’s major food supply system 3 grain crops provide about 48% of the world’s food calories: – rice – Wheat – corn Think Box: How do you think this food “specialization” impacts the earth?

Many People Have Health Problems Because They Do Not Get Enough to Eat Food security – All or most people in a country have daily access to enough nutritious food to lead active and healthy lives Food insecurity – Chronic hunger and poor nutrition – Root cause: poverty – Political upheaval, war, corruption, bad weather

Starving Children in Sudan Collect Ants Fig. 12-2, p. 279

Many People Suffer from Chronic Hunger and Malnutrition (1) Macronutrients – Carbohydrates – Proteins – Fats Micronutrients – Vitamins – Minerals

Many People Suffer from Chronic Hunger and Malnutrition (2) Chronic undernutrition = get < 90% of daily calories – 1/5 of the world lives on < $1 per day Chronic malnutrition = not getting enough quality food 1 in 6 people in less-developed countries is chronically undernourished or malnourished Famine – Drought, flooding, war, other catastrophes

World Hunger Figure 15, Supplement 8

Many People Do No Get Enough Vitamins and Minerals Most often vitamin and mineral deficiencies in people in less-developed countries Iron  too little can lead to anemia Vitamin A  too little causes poor vision – Golden rice  genetically modified to include beta-carotene (vitamin A) Iodine  too little leads to stunted growth, retardation, and goiter (swollen thyroid)

Woman with Goiter in Bangladesh Fig. 12-3, p. 280

Other Diseases Caused by Malnourishment Diabetes  problems with processing sugars Hypertension  high blood pressure Kwashiokor  not enough protein causes bloating of the abdomen, immune problems and growth retardation Rickets  not enough calcium and vitamin D (weaker bones) Pellagra  Lack of Vitamin B 3, causes skin lesions Scurvey  Lack of Vitamin C, causes swollen gums, loss of teeth, and skin spots Beriberi  loss of appetite and cramps due to lack of Vitamin B 1

Food Crisis in Africa KHY KHY