S401: Decarbonising The Future – Construction Materials For A Low-carbon Future By Wong Yi Min S402 : Study on The Effectiveness of Life Cycle Assessment for Building Using Database “IDEA” in Japan By Yosuke Tanaka S403 : Decarbonising The Future – A Regional Perspective By Hans Weemaes S404 : New Way of Working – Collaboration Between Humanitarian and Development Actors By Hafiz Amirrol S405 : Bridging the Gap: Quantity Surveyors in a Net Zero World – “The QS Role in Decarbonising the Future” By Rolan Orquiola