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Hints:
sorghum
soybeans
sugarcane
Sahel
Andy Jarvis has been using computer models to study how climate change will affect world’s 50 most important crops. Jarvis spoke with EarthSky from his office at the International Center for Tropical Agriculture in Colombia. [---1---]
Andy Jarvis: [---2-4---]
Jarvis is a geographer. [---5-6---]
Andy Jarvis:[---7---] Our models are showing it’s almost left really with the option of growing millet, which is used as an animal feed.
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He said that previous studies have focused primarily on just wheat, corn and rice.
Food security on a global level is depends on a lot more than those three big crops.
You've got things like barley, sorghum, soybeans, things like sugarcane.
Here in Latin America you’ve got coffee, for example.
He's been using data on rainfall, growing season and
temperature, plus existing climate models, to figure out which crops will grow where as climate change progresses in this century.
He spoke, for example, about Africa’s Sahel region.
These are some of the hottest areas of the world and so they lose a lot of options.
He said elsewhere in Africa, increased rainfall might allow cash crops like tea and strawberries.
And he reminded us that the impacts of climate change are likely to vary around the globe.