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Bibliography

Works Cited

  1. “A Five-Step Plan to Feed the World.” Feeding 9 Billion - National Geographic, www.nationalgeographic.com/foodfeatures/feeding-9-billion/.

  2. Agriculture's Environmental Footprint: WRI analysis based on IEA (2012); EIA (2012); EPA (2012); Houghton (2008); FAO (2011); FAO (2012); Foley et al. (2005).

  3. Birkby, Jeff. “Vertical Farming.” ATTRA Sustainable Agriculture Program, NCAT, Jan. 2016, attra.ncat.org/product/vertical-farming/.

  4. Hydroponically-grown lettuce and tomato. Photograph. Britannica ImageQuest, Encyclopædia Britannica, 26 Mar 2018. quest.eb.com/search/132_1524095/1/132_1524095/cite. Accessed 5 May 2020.

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