Ryan Zizzo

Ryan Zizzo is the CEO & Founder at Mantle Climate, one of Canada’s leading carbon consultancy companies. Ryan and his team are helping to co-develop Canada’s approach to low-carbon construction. Ryan is a recognized leader in helping large organizations and governments transition to a low-carbon future. His work has directly supported an update to the Toronto Green Standard version 4, North America’s first policy to limit embodied carbon on certain types of new building construction. He has also contributed to the development of the Government of Canada’s Standard on Embodied Carbon in Construction which requires low-carbon ready-mix concrete on large federal construction projects. As part of the global effort to reduce carbon emissions, the construction industry is increasingly focused on minimizing embodied carbon emissions throughout the life cycle of building materials. A whole-building life cycle assessment (wbLCA) is widely recognized as the most effective approach for evalua