12. UN Policies Sustainability

S jg boswell the largest single coeon farm in the

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Unformatted text preview: 11/13/12 History •  Earliest: 2600- 1900 BCE ancient Mesopotamia, now Southern Iraq •  Irriga@on projects brought copious quan@@es of water for agricultural produc@on –  Increased seepage, flooding, and rise in the water table •  By 2300- 2000 BCE increase in saline levels were recorded including Babylonian stories of “turning white of the fields”. Historical Social Impacts •  Yields declined and there was a shiq toward more saline tolerant crops •  Ci@es were devastated by yield reduc@ons •  Inability to meet food needs of the superstructure of...
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