Journalist and author Hattie Hartman is sustainability editor at the Architects’ Journal. Hattie hosts the AJ’s Climate Champions podcast which has had upwards of 40,000 downloads since its launch in 2020. She is a co-author of Energy| People|Buildings (2021), as well as the lead essay for NewLondonArchitecture (NLA)’s Resilient London report (2021). Her book MATERIALS: An Environmental Primer (RIBA Publishing, 2023), co-ed. Joe Jack Williams, is forthcoming. Hattie was recently appointed as an Honorary Professor of Architecture at the University of Nottingham. A longstanding champion of sustainable design, she participates widely in industry juries, chairs events and lectures on design for climate emergency.