NS 132 SQ 23 - Environmental Nutrition: Study Questions...

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Environmental Nutrition: Study Questions Synopsis : The natural world provides the food we eat. In the pursuit ō food what type ō “footprint” are we leaving on the environment? This lecture further integrates lessons learned this semester by describing several strategies that sustain the environment & human health including: 1. Eat local 2. Support sustainable agriculture 3. Eat whole, minimally-processed foods 4. Reduce energy use in transportation 5. Use your economic vote Textbook readings: Pages 536, 540-550 I. Overview a. Food is that part ō the environment that you eat - environment becomes you b. We can lessen the environmental impact ō food production [ resource use comparison ] Where do resources go? Compare the resources used by the average Chinese to those used by the average American. Which nation as a whole uses more resources? resource use : USA > China - resource use ~ lifestyle ( pop.) - nutritional benefits : whole minimally processed foods - nutrient losses : processing ( e.g. fiber, vitamins & esp. minerals, phytochemicals) - overprocessed diets nutrient loss Transportation (energy) Where does Wisconsin’s winter produce come from? It’s bread? How does regional specialization ō production increase the energy cost ō transportation? - cheese from Wisconsin : concentrated food - shipped to arid places ( e.g. desert in Southwest) - low shipping cost for high concentrated food ( e.g. cheese) - top fruit : bananas, should be apples - less fossil energy less climate change - smaller, more efficient cars & exercise (energy/kcal balance) - walk & bike for transportation ↓ energy use in society, ↑ personal energy expenditure (less obesity) - need more bike paths, green spaces, trails Packaging Consider the resources used in packaging. How do you think home food preparation compares to fast food? Which do you think is more resource efficient? Home food preparation is less packaged compared to fast food & is more resource efficient. - processing highly packaged ( e.g. styrofoam, plastic, paper)
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- packages hard to recycle ( bottles & cans) wasted energy & garbage to landfill Feed conversion What do we mean by the energy cost ō feed conversion? What kind ō food is the most energy efficient to produce? The least? energy cost ō feed conversion
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NS 132 SQ 23 - Environmental Nutrition: Study Questions...

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