Climate Change Puts Food Security At Risk, USDA Warns (ThinkProgress)

“It got so hot that we had a lot of problems with seeds not germinating,” said Jack, who grows lettuce, cauliflower, broccoli, and other crops in a California desert region known for producing more than two-thirds of the vegetables consumed in the United States during the winter.
http://thinkprogress.org/climate/2015/12/04/3728124/climate-change-puts-food-security-at-risk/