Truthdig: Projecting the impact of climate change on global food production is no easy task. A warming climate might result in better crop yields in one region, but cause drought and crop failure in another.
A new US study, published in the journal Environmental Letters, assesses the odds of a major slowdown in global food production over the next 20 years.
Overall, the studys authors say, the likelihood of a sharp drop in yields of crops vital to food supply, such as wheat and maize, is not very high-but...