Gm crops world hunger

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Are GM foods an answer to world hunger?

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Gm crops world hunger

  1. 1. Click to watch video GM Crops Are Genetically Modified foods the answer to world´s hunger? Teacher Vieira, SEK-Atlántico www.sek.es
  2. 2. Why are GM crops spreading worldwide? http://sitemaker.umich.edu/sec006group5/gm_food http://www.itmonline.org/arts/gmo.htm
  3. 3.  ( U.S. Dept. Agriculture 2001) http://sitemaker.umich.edu/sec006group5/gm_food
  4. 4. What are the advantages of GM crops?  In groups of 3 or 4 come up with at least 4 advantages.
  5. 5. So… what is the ´catch´? In groups of 3 or 4 agree on some disadvantages
  6. 6. Controversies  by Subhuti Dharmananda, Ph.D., Director, Institute for Traditional Medicine, Portland, Oregon http://www.itmonline.org/arts/gmo.htm Safety    Potential human health impact: allergens, transfer of antibiotic resistance, unknown effects. Potential environmental impact: unintended transfer of transgenes through cross-pollination, unknown effects on other organisms (e.g., soil microbes), and loss of flora and fauna biodiversity Access and Intellectual Property   Increasing dependence on industrialized nations by developing countries   Domination of world food production by a few companies Biopiracy-foreign exploitation of natural resources Ethics   Tampering with nature by mixing genes among species  Objections to consuming animal genes in plants and vice versa   Violation of natural organisms' intrinsic values Stress for animals Labeling    Not mandatory in some countries (e.g., United States) Mixing GM crops with non-GM confounds labeling attempts Society  New advances may be skewed to interests of rich countries
  7. 7. Benefits  by Subhuti Dharmananda, Ph.D., Director, Institute for Traditional Medicine, Portland, Oregon http://www.itmonline.org/arts/gmo.htm Crops   Reduced maturation time  Increased nutrients, yields, and stress tolerance  Improved resistance to disease, pests, and herbicides   Enhanced taste and quality New products and growing techniques Animals   Improved animal health and diagnostic methods   Better yields of meat, eggs, and milk Increased resistance, productivity, hardiness, and feed efficiency Environment   Conservation of soil, water, and energy  Bioprocessing for forestry products  Better natural waste management   "Friendly" bioherbicides and bioinsecticides More efficient processing Society  Increased food security for growing populations

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