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Climate change , agriculture and food security

Climate change , agriculture and food security. A food-insecure ( or hungry ) world. Availability or access ?. Enough food to provide 2700 calories to 12 billion people – double of the current world population (FAO) 1 billion hungry and one billion obese.

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Climate change , agriculture and food security

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  1. Climatechange, agriculture and foodsecurity

  2. A food-insecure(orhungry) world

  3. Availabilityoraccess? • Enoughfoodtoprovide 2700 caloriesto 12 billionpeople –double of thecurrentworldpopulation(FAO) • 1 billionhungry and onebillionobese

  4. Climatechange and foodproduction • Increase in 1-3 degreeswillnotaffectworldfoodproduction, but adverse impacts at the regional level • Thosewhocontributedtheleasttoclimatechange, and are alreadythemostfood-insecure, willbetheworstaffected • 600 million new hungry (UN HighCommissionerforHumanRights). New famines. • More than 3 degrees= total disruption of foodproduction

  5. Isgreenrevolutionthatgreen? Is Green Revolutionthat “green”?

  6. Higheryields, but at whatcost? • Contributestoclimatechange • No sustainable use and pollution of freshwaterresources • Soildegradation and depletion • Biodiversityloss • Landconcentration • Diet-relatedproblems and malnutrition

  7. Are GMO´sthesolution?

  8. Ecological, economical and social implications • Spreadinggenetically-engineered genes toindigenousplants • Increasingtoxicity • Disruptingnature´ssystem of pest control • Creating new weedsor virus strains • Contributetobiodiversityloss • Dependency: 10 corporations control 30% of theworldseedmarket and 80% of thepesticidemarketand 85% of thepatents of seeds • Marketaccessforfarmers

  9. Foodfor cars, orfoodforpeople?

  10. Bioenergies? • Food vs. Energy • Decline in foodsupply • Increase in foodprices • No net environmentalgains • Landconcentration • No real alternativetofossilfuels • Deforestation and biodiversityloss • Economicdependence

  11. Theway forward? • Localizedfoodsystems: produce locally, consume locally • Local traditionalknowledgeformitigation and adaptationmeasures • Foodsovereingty • Sustainableagriculturebasedon agro-ecologicalprinciples • PrecautionaryprincipletoGMO´s • Biofuelslimitedtocropresidues (maizecobs, sugarcanebagasse, rice husks and banana leaves) • No TRIP´stomainfoodcrops • Satisfyworldfooddemand?

  12. Thankyou

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