Section 1. Setting the scene. How the rice crop works and why it needs a new engine / J.E. Sheehy [und weitere]. The case for C[symbol] rice / P.L. Mitchell and J.E. Sheehy. Agricultural research, poverty alleviation, and key trends in Asia's rice economy / D. Dawe. Catching up with the literature for C[symbol] rice: what we know now and didn't then / P.L. Mitchell -- section 2. C[symbol] rice from theory to practice. C[symbol] photosynthesis: minor or major adjustments to a C[symbol] theme? / R.C. Leegood. C[symbol] photosynthesis and CO[symbol] diffusion / S. von Caemmerer [und weiteren]. Nuclear regulation of chloroplast development in C[symbol] and C[symbol] plants / J.A. Langdale [und weiteren]. Balancing light capture with distributed metabolic demand during C4 photosynthesis / J.R. Evans, T.C. Vogelmann, and S. von Caemmerer. Redesigning C[symbol] rice from limited C[symbol] photosynthesis / D.M. Jiao. Overexpression of C[symbol] pathway genes in the C[symbol] dicots potato, tobacco, and arabidopsis: experiences and future challenges / C. Peterhänsel, H.-J. Hirsch, and F. Kreuzaler. Molecular evolution of C[symbol] photosynthesis in the dicot genus flaveria: implications for the design of a C[symbol] plant / U. Gowik and P. Westhoff. Learning from nature to develop strategies for the directed evolution of C[symbol] rice / R. Sage and T.L. Sage. The regulation of genes in C[symbol] plants that have been co-opted into C[symbol] photosynthesis, and implications for making a C[symbol] rice / J.M. Hibberd -- section 3. Single-cell C[symbol] systems. C[symbol] rice: early endeavors and models tested / J. Burnell. Breaking the Kranz paradigm in terrestrial C[symbol] plants: does it hold promise for C[symbol] rice? / G.E. Edwards [und weiteren]. Hydrilla: retrofitting a C[symbol] leaf with a single-cell C[symbol] NADP-ME system / G. Bowes [und weiteren]. The ecology and evolution of single-cell C[symbol]-like photosynthesis in diatoms: relevance to C[symbol] rice / J.A. Raven [und weiteren] -- section 4. The background and how C[symbol] rice can be delivered. The promise of systems biology for deciphering the control of C[symbol] leaf development: transcriptome profiling of leaf cell types / T. Nelson [und weiteren]. Toward C[symbol] rice: learning from the acclimation of photosynthesis in the C[symbol] leaf / E.H. Murchie and P. Horton. Wild species of Oryza: a rich reservoir of genetic variability for rice improvement / D.S. Brar and J.M. Ramos. C[symbol] rice: a plant breeder's perspective / P.S. Virk and S. Peng. From allele engineering to phenotype / P. Hervé -- section 5. Setting up the consortium. C[symbol] rice: brainstorming from bioinformaticians / R. Bruskiewich and S. Wanchana. Surveying the possible pathways to C[symbol] rice / P.L. Mitchell and J.E. Sheehy