Reports by Andrew D. Leakey

Elevated CO2 Does Not Stimulate C4 Photosynthesis Directly, but Impacts Water Relations and Indirectly Enhances Carbon Gain during Drought Stress in Maize (Zea Mays) grown under free-air CO2 enrichment (FACE).
Global Food Insecurity? Lower Than Expected Crop Yield Stimulation with Rising Carbon Dioxide Concentrations.