Judit Kimpian is an architect and environmental policy expert based in London. After 20 years in practice, she currently teaches low-energy architecture and planning at UCL and chairs the Architects Council of Europe's Sustainable Architecture Group, focusing on embedding feedback in design and construction to deliver a net zero built environment

Sofie Pelsmakers is an environmental architect, educator, and researcher in sustainable housing design and architecture at Tampere University, Finland. She is author of the Environmental Design Pocketbook (RIBA, 2015), and guest-edited Everything Needs to Change - Architecture and the Climate Emergency (Design studio, RIBA, 2021).

Hattie Hartman is sustainability editor at the Architects' Journal, London. She participates widely in industry juries, chairs events and lectures on mainstreaming green design. She is the author of London 2012 Sustainable Design (Wiley, 2012).