An international team that includes researchers from the University of Toronto has designed and implemented a new model for photoreactors, a solar-powered technology for converting water, carbon dioxide, methane and nitrogen into greener chemicals and fuels.
![The cover of the book, The Story of CO2, "Big Ideas for a Small Molecule and profile images of the two authors.](https://www.artsci.utoronto.ca/sites/default/files/styles/ne_3btn_widget/public/book-ozin-ghoussoub-lead.jpg?itok=Qx4AcVHk "The cover of the book, The Story of CO2, "Big Ideas for a Small Molecule and profile images of the two authors.")
![Image "closing the carbon cycle"](https://www.artsci.utoronto.ca/sites/default/files/styles/ne_3btn_widget/public/closing-carbon-cycle-350x500-1.jpg?itok=-RS9Cb9g "Image "closing the carbon cycle"")
