Food systems

Food systems - Food Systems: Serving 10 Billion People...

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mgb-uep7 Food Systems: Serving 10 Billion People Daily
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mgb-uep7 Outline The Importance of Food Systems How we Grow our Food Industrial and Traditional Agriculture Industrial Food Systems – Gains and Impacts Factors and Issues How do We Feed 9-10 billion people sustainably? Toward Sustainable Food Systems …
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mgb-uep7 Food Systems The Importance of Food Systems Means of sustenance Basis of civilization Connection to the land Key aspect of population debate Resource use, environmental, social implications
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mgb-uep7 How We Grow Our Food Thousands of edible plants and animals – but 15 plants and 8 animal species supply 90% of food Four annual crops provide more food than all others combined “Industrial” versus “Traditional” agriculture Nomadic herding versus meat factories Traditional subsistence versus traditional intensive agriculture Plantation agriculture
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mgb-uep7 “Traditional” vs. “Industrial” Agriculture Mainly for sustenance Marginal, tropical lands Multiple crops , small plots Low investments Yields – natural water, organic fertilizer, bio control Labour intensive, draft animals Food for sale Flat, easily cultivated soils Single crops over large area Capital intensive Yields – irrigation, chemical fertilizers, pesticides Machinery powered by fossil fuels Traditional intensive agriculture Multiple crops – low fertilizer; pesticide, herbicide use; risk mitigation
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mgb-uep7 “Traditional” vs. “Industrial” Agriculture Small quantities of meat mainly for sustenance Low investments Natural grasslands, move for food, water Labour-intensive Lean meat Wastes returned to soil, organic fertilizer, fuel Large quantities of single meat, for sale Capital intensive Feedlots, growth hormones, antibiotics Energy, water intensive Fatty meat Large quantities of waste, water pollution Compare systems – land, labour, capital, energy; food to energy ratio
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This note was uploaded on 03/23/2012 for the course ENVR 201 taught by Professor Badami during the Fall '08 term at McGill.

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Food systems - Food Systems: Serving 10 Billion People...

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