Crop nutrients drop as CO2 rises

Hanging on: Kids having fun at a grain silo in their village in Niger, Western Africa. Children in poorer societies are at risk of malnutrition because of climate change. - AFP

High carbon dioxide levels reduce essential nutrients in wheat, rice, maize and soyabeans.

RISING carbon dioxide emissions are set to make the world’s staple food crops less nutritious, according to new scientific research, worsening the serious ill health already suffered by billions of malnourished people.