News Earth Warming dents corn and wheat yields Rising temperatures have decreased global production, an analysis concludes By Daniel Strain May 5, 2011 at 2:24 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print 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.