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The Role of Food and Agriculture in the Design and Planning of Buildings and Cities. May 2-4, 2008

The Role of Food and Agriculture in the Design and Planning of Buildings and Cities. May 2-4, 2008 School of Architecture Ryerson University, Toronto Linking Urban Agriculture and Built Form to Carbon Cycles, Energy Use and Nutrient Flows. Bruce Darrell.

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The Role of Food and Agriculture in the Design and Planning of Buildings and Cities. May 2-4, 2008

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  1. The Role of Food and Agriculture in the Design and Planning of Buildings and Cities. May 2-4, 2008 School of Architecture Ryerson University, Toronto Linking Urban Agriculture and Built Form to Carbon Cycles, Energy Use and Nutrient Flows. Bruce Darrell The Foundation for the Economics of Sustainability designing systems for a changing world

  2. “Food is energy, and it takes energy to produce food.” Richard Heinberg What Will We Eat as the Oil Runs Out? Food Security in an Energy Scarce World Feasta Conference, Dublin, 2005 Is it better to produce energy locally and import food or produce food locally and import energy?

  3. Food security exists when all people, at all times, have access to sufficient quantity of safe, nutritious, affordable, and culturally appropriate food. • Reasons for the current food security crisis: • speculation in commodity market • declining yields due in part to climate change • use of food crops for biofuels • increased cost of energy for food production • increased cost of fertilizers • increased population • more meat being consumed

  4. When the entire life cycle of goods and services is taken into account, food, drink and tobacco products are the largest single source of greenhouse gas emissions associated with UK household consumption. Source: East Anglia Food Link More than 17% of UK carbon emissions come from growing, distributing and preparing food. Source: East Anglia Food Link 40 to 50 percent of all food ready for harvest in the U.S. never gets eaten. Source: University of Arizona in Tucson Households in the UK throw away about a third of all purchased food. Source: WRAP (Waste & Resources Action Programme)

  5. food in waste out

  6. Energy Atmosphere Garbage Resources Recycling Money Carbon Nutrients Sewage Water

  7. ENERGY

  8. CH4 N2O CH4 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 CO2 ATMOSPHERE

  9. RESOURCES

  10. € € € € € € € € € € MONEY

  11. CO2 CARBON

  12. N-P-K N2 N2O NUTRIENTS

  13. H2O H2O H2O H2O H2O H2O WATER

  14. LINEAR FOOD SYSTEM

  15. CH4 CO2 CO2 N2O CH4 CO2 CO2

  16. CO2 CO2 CH4 N2O CO2 notes describing each arrow?

  17. CO2 CO2 N2O CH4

  18. CO2 N2O CO2 CH4

  19. N2O CO2 CO2 CH4 N2O CO2 CH4 CO2 CO2

  20. CO2 Carbon Negative Energy Biochar Pyrolysis or Gasification

  21. Linking Urban Agriculture and Built Form to Carbon Cycles, Energy Use and Nutrient Flows. Bruce Darrell brucedarrell@gmail.com foodurbanism.blogspot.com cloughjordanplots.blogspot.com dartmouthplot.blogspot.com Feasta: the Foundation for the Economics of Sustainability Designing Systems for a Changing World www.feasta.org feasta@anu.ie Dublin Food Growing Food Security From the Ground Up dublinfoodgrowing.blogspot.com Eco-Village, Cloughjordan, Ireland www.thevillage.ie

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