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UW-Milwaukee CES 210 - Food and Hunger

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Ces 210 1st Edition Lecture 10 Current LectureFood and HungerGREEN REVOLUTION- Green revolution happened from the 1940 to 1960- Norman Borlaug won a Nobel peace prize in 1970 for a lifetime of work to feed a hungry world- He is considered the father of the green revolution- Semi-dwarf wheat variety with high yields bred into tropical wheatPOPULATION AND FOOD PRODUCTION- World kept up with human population growth- Past 40 years population growth averaged 1.7% increase per year- Food production average increase per year was 2.2%- This happened for two reasons; new high yielding crop varieties, increase in irrigation, increase in chemicals and fertilizersNUTRITIONAL PROBLEMS- Iron deficiency is the most common dietary imbalance in the world- Leads to anemia, insufficient hemoglobin in the blood- Increases risk of death from hemorrhage in childbirth and affects development- Lack of vitamin A affects as many as 140 million children and 350 thousand go blind each year- Kwashiorkor: occurs mainly in children whose diet lacks high quality protein- Marasmus: caused by a diet low in protein and calories- Goiter: lack of iodine leads to goiter as well as stunted growth and reduced mental capacityFOOD SECURITY- Food security: is the ability to obtain sufficient healthy food on a day to day basis- 2200 calories a day is necessary for healthy lifeThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Industrialized countries consumed an average of 4000 calories per dayFOOD SECURITY IS UNEVENLY DISTRIBUTED- Food insecurity is a combined problem of economic, environmental, and social conditions- Poverty is the greatest threat to food security- In the poorest countries entire national economies can suffer from a severe drought flood or insect outbreak- Famines: are large scale food shortages with widespread starvation social distribution and economic chaosPENANS-LAST NOMADIC TRIBE OF BORNEO- Logging and oil palm destroying tribes forest home- The hunter gatherer penan in Sarawak in the Malaysian part of borneo are battling to stop the destruction of their last remaining forests and their way of life- The penans land rights are not recognized and their forests are being cleared for logging and oil palm plantations and hydroelectric dams robbing them of their means of survivalRISKS OF INCREASED PRODUCTION- There are many environmental worries about this efficient production- Land conversion from pasture to soy and corn fields raises the rate of soil erosion- Constant use of antibiotics raises the very real risk of antibiotic resistant diseasesMEAT PRODUCTION- Because of dramatic increases in corn and soy production, meat consumption has grown in both developed and developing countries- Meat is a concentrated high value source of protein, iron, fats, and other nutrients that give us energy to lead productive livesSEAFOOD IS BOTH WILD AND FARMED- Overharvesting and habitat destruction threaten most of the worlds wild fisheries- The problem is to many boats using efficient but destructive technology to exploit a dwindling resources base- Aquaculture is providing an increasing share of the worlds seafood- Fish pens: net pens anchored in near shore areas allow spread of disease escape of exotic species and release of feces, uneaten food, antibiotics, and other pollutants into surrounding


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UW-Milwaukee CES 210 - Food and Hunger

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