 Higher CO0 tends to inhibit the ability of plants to make protein And this explains why food quality seems to have been declining and will continue to decline as CO0 rises because of this inhibition of nitrate conversion into protein. University of California at Davis Professor Arnold J. Bloom, on Yale Climate Connections 00/0/00 http://www.yaleclimateconnections.org/0000/00/crop-nutrition//0000 BLOOM: Its going to be fairly universal that well be struggling with trying to sustain food quality and its not just protein its also micronutrients such as zinc and iron that suffer as well as protein.  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  D