In this discussion, Christophe Williams, CEO of Naked Energy, dives into innovative solar thermal solutions that are helping reduce energy costs and carbon emissions. Geetan Jali Krishna highlights the historical significance of India's stepwells and their potential in addressing modern water challenges. Felicity Macefield shares insights on the integration of solar technology at the British Library, balancing heritage with sustainability. Together, they explore the transformative potential of renewable energy and ancient architecture in urban development.