One of the warnings from the new UN climate change report is food insecurity: It will be harder to grow many crops in parts of the world. That includes staple crops like wheat and rice. The World’s Jason Margolis looks at what it could mean in one nation: Kenya.One of the warnings from the new UN climate change report is food insecurity: It will be harder to grow many crops in parts of the world. That includes staple crops like wheat and rice. The World’s Jason Margolis looks at what it could mean in one nation: Kenya.