This question was posed to Goddard Space Flight Center's Molly Brown as part of NASA's Ask A Climate Scientist campaign.
For more about the connection between climate variability and food production, go here:https://www.nasa.gov/content/goddard/climate-forecasts-shown-to-warn-of-crop-failures/
For more about Ask A Climate Scientist, go here: http://www.youtube.com/watch?v=49Lu1dTa0_k