Climate shifts 'hit global wheat yields'

[Kieran]

http://www.bbc.co.uk/news/science-environment-13297004

"Shifts in the climate over the past three decades have been linked to a 5.5% decline in global wheat production, a study has suggested.

A team of US scientists assessed the impact of changes to rainfall and temperature on four major food crops: wheat, rice, corn and soybeans.

Climate trends in some countries were big enough to wipe out gains from other factors, such as technology, they said.

The findings have been published in the online edition of the journal Science."


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[vtsnowedin]

Not much of a story when you check out the actual statistics.
http://en.wikipedia.org/wiki/Internatio ... statistics