Warming dents corn and wheat yields

Rising temperatures have decreased global production, an analysis concludes

Set a place at the table for climate change; hotter weather may have already taken a bite out of food crops worldwide.

CEREAL KILLER Between 1980 and 2008, climbing global temperatures took millions of tons of wheat off the dinner table, scientists say. Some countries experienced big losses due to weather (red), while in others, wheat production held steady (blue).