The world's breadbasket is in a long drought

http://www.slate.com/articles/technology/future_tense/2014/10/california_central_valley_agriculture_drought_and_climate_change_photos.html

"Frankly, there’s not much hope. How do we accommodate this new reality? Farming is never going to go back, regardless of how much rain we get next year, to the way it was in the ’70s and ’80s. It’s a long-term era of scarcity.
California is much bigger than it was when these reservoirs were built, 40 or 50 years ago. There’s more water going to cities and the environment now. That boom era of California farming, I think everyone recognizes, is just a thing of the past."

the price of food will go up while availability goes down.