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Office to residential conversions: The carbon story (w/ David Farnsworth & Tess McNamara)

Arup is a global firm dedicated to sustainable development, and they recently answered a simple question: how much carbon could be saved by 2050 if New York City expanded the range of buildings eligible for office to residential conversions?

On this episode of Urban Green Live, John Mandyck talked to David Farnsworth and Tess McNamara about Arup’s research and the impetus, from a sustainability perspective, for making more of NYC’s office buildings eligible for residential conversions.

Published December 6, 2023


David Farnsworth
Principal, Americas Property Market Leader, Arup

David Farnsworth is a Principal with Arup’s New York office. David has a depth of experience in the design and management of projects both locally and globally. His experience ranges from new mixed-use high-rise tower developments to signature bridge designs and includes various building, rail, airport and civil projects. David leads Arup’s Americas Property Market and Tall Buildings Business with property and high-rise design experience encompassing all program types, construction materials, and modern methods of tower construction. He has designed some of the world’s most iconic tall building structures.

Tess McNamara
Senior Consultant, Climate & Sustainability, Arup

Tess McNamara is a Senior Consultant in Arup’s New York office with the Climate and Sustainability Team. A licensed architect, Tess has expertise in decarbonization, whole life carbon, and integrated sustainable design. Tess’s experience spans various building types and scales, ranging from individual built projects to urban infrastructure and portfolio scale analysis. Tess sits on the design faculty at both the Yale School of Architecture and Pratt Institute, where she teaches technical courses on both decarbonization and sustainable design.

John Mandyck
CEO, Urban Green Council

John Mandyck joined Urban Green Council in 2018 as its first-ever CEO. He capped a 25-year career as Chief Sustainability Officer for United Technologies Corporation, a Fortune 45 global leader in the building, aerospace and food refrigeration industries. He also serves as a Visiting Scientist at the Harvard University T.H. Chan School of Public Health and an Adjunct Professor at the University of Connecticut School of Business. John is the founding chair of the Corporate Advisory Board for the World Green Building Council, a former board chair of Urban Green, and co-author of the book Food Foolish.