Sustainability Freshman Inquiry Oct. 14, 2010 Jeff Fletcher.

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Presentation transcript:

Sustainability Freshman Inquiry Oct. 14, 2010 Jeff Fletcher

Logistics Field Trip, Zenger Farms –Oct. 21 (2pm to 6pm at latest) – New Reading due Oct. 21 –Transition to College Writing Ch. 4 –Omnivore’s Dilemma Ch. 8, 9 Sustainability tour—how did it go? Upcoming 1 on 1 Meetings Association for the Advancement of Sustainability in Higher Education (AASHE) Conference

Important Themes National Eating Disorder Natures way vs. Industrial/Corporate way Omnivore's Dilemma Domestication by Humans; or Domestication of Humans We are corn Dramatic Increase in Corn Yields Corn anatomy and sex

Groups Consider Characterize the old and new systems of farm subsidies for corn. If your group was in charge, what would be your farm subsidy program?

Typical Market for Farm Goods In demand, prices good, grow more, surplus, prices drop, so plant even more, even more surplus, even lower prices What type of process is this? –Tragedy of the Commons when individuals are not coordinated –Also example of a positive feedback Changing role of farm subsidies and regulation –To help farmers keep prices high enough to plant next year –1973 Change: To help keep prices low by paying farmers directly % lived on farms –Each could feed itself + 12 –Now each farmer feeds 127

Other Important Concepts French Paradox Food chains Eating a ecological act; a political act Natural Food (what is natural?) Industrial Food More calories in than out Naylor Curve

Systems Natures Cycles Systems Ideas: –Positive and Negative Feedbacks –Open and Closed Systems –Causal Maps for "Cheap Corn" (later)

Corn and Corporations Cargill and ADM buy 1/3 of corn in America 3/5 of grown corn goes to feed animals in factory farms “Industrial thinking over logic of evolution” 4 companies butcher 4/5 cows in America

Diseases From Food Besides diseases of overconsumption and bad diets Most common foodborne infections (from CDC) –Bacteria: Campylobacter, Salmonella, and E. coli O157:H7CampylobacterSalmonellaE. coli O157:H7 –Viruses: Norwalk and Norwalk-like viruses.Norwalk –Occasionally foodborne, infections by Shigella, hepatitis A, and the parasites Giardia lamblia, Cryptosporidia, tapeworms. Shigella hepatitis AGiardia lamblia Cryptosporidia Foodborne toxins –pesticides, herbicides –Natural toxins: Bacteria grow on food: Staphylococcus aureus, Clostridium botulinum. Harmful even after cooking and bacteria have been killedClostridium botulinum Other: poisonous mushrooms; poisonous reef fish Fungi that grow on foods, e.g. peanuts