• Further evidence of the health impacts of hazardous emissions from materials • Hazardous materials to be avoided and why • Fire and smoke toxicity – the Lakanal House and Grenfell Tower legacy • Sub-standard retrofits leading to damp and mould in previously sound houses • A critical review of recent reports from UK Government and others on air quality and health problems including policy changes on flame retardants • Growing evidence of cancer risks and the failure of cancer research organisations to address these issues • A critical review of recent climate change and zero carbon policies and a discussion on whether extreme energy efficiency is a good thing This book asks some important and, for some, uncomfortable questions, but in doing so it brings to light important areas for research and provides much needed guidance for architects, engineers, construction professionals, students and researchers on hazardous materials and how to reduce their use and design and build healthier buildings for all occupants.