Journal Article Research Support, Non-U.S. Gov't climate change climate change impact food security 1.5°C warming 142M471B3J AgMIP Carbon Dioxide Grain Proteins N762921K75 Nitrogen Oryza sativa L Research Support, U.S. Gov't, Non-P.H.S. climate change adaptation crop modelling crop models ecophysiological model ensemble mean ensemble median ensemble modeling extreme low yields genotypic adaptation grain protein ideotype model ensemble model intercomparison multimodel ensemble prediction process-based model