Changing climate could worsen foods’ nutrition

Evidence builds for lessening of certain micronutrients, protein in plants

Arizona wheat field

CROP FUTURES  Experiments using circles of white pipes blowing extra carbon dioxide over crops suggest that certain nutrients may dwindle in crops grown in a carbon-enhanced future atmosphere. Here, researchers in Arizona measure the growth of wheat.

Jack Dykinga/USDA, Flickr (CC BY 2.0)

A dinner plate piled high with food from plants might not deliver the same nutrition toward the end of this century as it does today.