Guardian: 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.
The surprise consequence of fossil fuel burning is linked directly to the rise in CO2 levels which, unlike some of the predicted impacts of climate change, are undisputed. The field trials of wheat, rice, maize and soybeans showed that higher CO2 levels significantly reduced the...