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Part III:. Why do we need GMOs?. Who will benefit from GMOs?. The food crisis of 2008. Source: FAO. The food crisis of 2008. (AP Photo/ Pavel Rahman ). Food crisis looms in Bangladesh. Associated Press, 12 April 2008. The food crisis of 2008.

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Part III:

Why do we need GMOs?

Who will benefit from GMOs?



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The food crisis of 2008

(AP Photo/PavelRahman)

Food crisis looms in Bangladesh

Associated Press, 12 April 2008


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The food crisis of 2008

http://eco-beat.com/wp-content/uploads/2008/04/04-09-08-haitfoodriot.jpg

“U.N. says food riots to worsen without global action”

Reuters, 11 April 2008



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Food security: an eternal concern

www.nndb.com/people/250/000024178/malthus.jpg

http://commons.wikimedia.org/wiki/Image:An_Essay_on_the_Principle_of_Population.jpg

Thomas Malthus


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Scientific agriculture began in the 18th century

Joseph Priestley

www.juliantrubin.com/.../mouseexperiment.gif

www.susqu.edu/.../ Priestly-Mar1994/Priestly.htm


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vn.schmidt-clemens.de/vnoffice/data/0/0/0/227...

Invention of chemical fertilizers

http://cache.eb.com/eb/image?id=11308&rendTypeId=4

www.eoearth.org/media/approved/e/e6/Bosch.jpg

Fritz Haber

Carl Bosch


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Mechanization of agriculture

bp3.blogger.com/…./s320/Hubert+proughing+2.jpg

iStock photo 000003424427


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Mechanization is not universal

http://image.guardian.co.uk/sysimages/Guardian/Pix/pictures/2006/07/18/farm372.jpg

http://www.iaea.org/NewsCenter/Features/Tsetse/tsetse_gallery/images/006w.jpg


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Scientific agriculture increased agricultural productivity

http://www.sustainablescale.org/images/uploaded/Population/World%20Population%20Growth%20to%202050.JPG


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A resurgence of Malthusian predictions

news-service.stanford.edu/.../Ehrlich-12.jpg

NormanBorlaug

Father of the Green Revolution

Paul Ehrlich

http://ecx.imagesamazon.com/images/I/51ZQ306HVGL._AA240_.jpg


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Green Revolution wheat yields, 1950-2005

The Green Revolution

Normal and dwarf wheat


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The human population continues to grow

http://www.sustainablescale.org/images/uploaded/Population/World%20Population%20Growth%20to%202050.JPG


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The amount of arable land is limited

www.theoildrum.com/.../12/global_land_use2.jpg


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The future: adapting crops to a changing climate

Slide courtesy of Dr. David Battisti


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--- A2

--- A1B 700 ppm

2100AD

--- B1

The future: adapting crops to a changing climate

Atmospheric CO2

2008 AD

1850AD

8000BC

400 200 Today

Thousands of years before present

Slide courtesy of Dr. David Battisti


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The future: adapting crops to a changing climate

Stott et al, Nature 432:610 (2004)


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The future: adapting crops to a changing climate

2003

Slide courtesy of Dr. David Battisti


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Future challenges

 Producing more food for a growing population

 Producing more nutritious food

 Producing food more sustainably

 Producing more food in a changing climate

 Doing all of this in just a few decades


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Molecular methods of crop improvement:

why does it matter?

www.nature.com/nature/journal/v435/n7046/images/4351146a-i4.0.jpg

“You people in the developed world are certainly free to debate the

merits of genetically modified foods, but can we please eat first?”

-- Florence Wambugu, 2003


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