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Food

Food. Inside Story : Feeding global hunger. http:// www.youtube.com/watch?v=rqfZ6rsoy-E. Global Undernourishment . Using data from 2006-2008 the Food and Agricultural Organisation of the UN estimates that 853 million people do not get enough energy from their food – undernourishment

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Food

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  1. Food

  2. InsideStory: Feeding global hunger • http://www.youtube.com/watch?v=rqfZ6rsoy-E

  3. Global Undernourishment • Using data from 2006-2008 the Food and Agricultural Organisation of the UN estimates that 853 million people do not get enough energy from their food – undernourishment • Add to that the malnourished people of the world and there are 1 billion people going hungry today. • http://www.fao.org/hunger/en/

  4. Foodproduction • Take a look at thegraph and in approximately 100 words describe whatyou can see happening…

  5. MEDCs vs. LEDCs vs. Political / economic agenda? Seasonality? Cash crops? Cost of food? Choice/ need? Environmentallimitations? Supermarkets? Produce toomuchfood?

  6. MEDCs vs. LEDCs • Calorie intake • MEDCs - approx. 3,314 calories per capita per day • LEDCs – approx. 2,666 calories per capita per day • http://chartsbin.com/view/1150

  7. Future global foodsuppy? • Feeding the world’s population in the future is going to be a challenge... • WHY? • More people • The undernourished and malnourished people need more and better food • Area available for agriculture is decreasing – reasons for this? • Erosion • Salinization • Desertifcation

  8. Whatelseisaddingtotheproblem? • Biofuels • ClimateChange

  9. Homework • Using the FAO website and other sources find out information about the three questions on your sheet… • … and add the following two questions to the list: • Where is the Sahel and which countries are located there? • Describe the current food situation in the Sahel.

  10. Thefoodsystem • Thefoodsystemthathumansdependonforsurvivalfollowthesamepaths and rules as anyfoodchain: • First and secondlaws of thermodynamics: • 1st law: Energyisneithercreatednordestroyed • 2nd law: Energyconversions are never 100% efficient (someenergyisalwayslost) • Therefore as wemove up thefoodchainenergyis

  11. Terrestrialfoodsystems

  12. AquaticFoodSystem

  13. Question • Do youthinkterrestrialoraquaticecosystems are more efficient? • Why?

  14. Complete thetableforyourtwosystems…

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