Increasing food supply and sustainable agriculture.

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Presentation transcript:

Increasing food supply and sustainable agriculture

Strategies to Increase the World’s Food Supply? Often an issue in LDCs Increase exports from countries with surpluses Expand land used for agriculture Expand fishing Increase productivity of land now used for agriculture What are some challenges with each of these strategies?

Challenges Desertification due to overused land – excessive crop planting, animal grazing, tree cutting Excessive water can threaten drier lands Urbanization reduces agricultural land – loss of prime agricultural land Overfishing – some fish species harvested faster than they could reproduce

Increasing productivity Green Revolution – 1970s/80s ▫New higher-yield seeds ▫Expanded use of fertilizers “Miracle wheat seed” ▫India was able to create a surplus GMOs

Not just a problem in LDCs Food deserts in the US ▫Urban neighborhoods and rural towns without ready access to fresh, healthy and affordable food

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What are some solutions in LDCs? A Norwegian Company is Transforming Deserts Into Farmland Ending Poverty and Hunger with Heifer International The Future of Sustainable Fish Farming Vertical Farming - Singapore's Solution to feed the urban population