by Kerry Sheridan Agence France-Presse MIAMI, United States (AFP) — Rising carbon dioxide levels from global warming will drastically reduce the amount of protein in staple crops like rice and wheat, leaving vulnerable populations at risk of growth stunting and early death, experts warned Wednesday. Researchers say they still don’t understand how or why carbon dioxide emissions sap protein and other nutrients from plants, but the mystery is one that could have devastating consequences across […]