The global network of agricultural research centres warns that famines lie ahead unless new crop strains adapted to a warmer future are developed.The money shot is this here map:
The Consultative Group on International Agricultural Research (CGIAR) says yields of existing varieties will fall.
New forecasts say warming will shrink South Asia's wheat area by half.
(Least Exciting Money Shot Ever.)
Notice that Alaska will be fertile ground. Also notice that the westernmost part of the projected area also coincides with the Athabasca Basin, also known as Tar Sands land. The same tar sands that are currently sucking up every drop of ground water available. Hm... farmers need water too, don't they?