Presentation on theme: "Feeding the People of the World What people eat: –Carbs – for E –Proteins – build & maintain body (chem rx) –Lipids (fats) – E storage, cell membranes,"— Presentation transcript:
Feeding the People of the World What people eat: –Carbs – for E –Proteins – build & maintain body (chem rx) –Lipids (fats) – E storage, cell membranes, hormones
Why Eat? Source of E Source of materials for body parts
Malnutrition Not consuming enough necessary nutrients –Lack ability to fight diseases –Can lead to serious illnesses which can lead to brain damage.
Why People Go Hungry Food production is not increasing as fast as human pop Food not divided equally Malnutrition even in US Transportation War Droughts – periods when rainfall is less than average. Famine – food shortage so widespread it causes malnutrition in many people
World's worst recorded food disaster in British- ruled India. Est four million people died that year alone in eastern India. an acute shortfall in food production in the area. more potent factor was the result of hysteria related to World War II which made food supply a low priority for the British rulers. The hysteria was further exploited by Indian traders who hoarded food in order to sell at higher prices. Bengal Famine
Green Revolution Introduction of new grains, along w/ new farm tech. Allowed far more people to be fed b/c it increased crop yield Yield – amt produced per unit area. Subsistence farmers – grow only enough to feed families
Green Revolution- Problems The new varieties of grain didn’t grow well w/out the right kinds of fertilizer & pesticides & sufficient irrigation. Only large farms could afford it. Subsistence farmers couldn’t. Subsistence farmers – grow only enough to feed families