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Humanity is on the threshold of a technological revolution that will allow all human structures across the earth to undertake photosynthesis more efficiently than plants; making zero carbon fuels by using solar energy to split water (as a cheap and abundant source of hydrogen) or other products from reduced atmospheric carbon dioxide. The development and global deployment of such arti cial photosynthesis (AP) technology addresses three of humanity’s most urgent public policy challenges: to reduce anthropogenic carbon dioxide (CO2) emissions, to increase fuel security and to provide a sustainable global economy and ecosystem. Yet, despite the considerable research being undertaken in this eld and the incipient thrust to commercialisation, AP remains largely unknown in energy and climate change public policy debates. Here we explore mechanisms for enhancing the policy and governance pro le of …