『The Building Science Podcast』のカバーアート

The Building Science Podcast

The Building Science Podcast

著者: Positive Energy
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The Building Science Podcast is a show hosted by MEP engineering firm Positive Energy principal Kristof Irwin. The show covers everything from the basics of building science to adjacent scientific disciplines to more fully understand how the built environment shapes our lives as human beings on planet earth.

Ecoscience, LLC, DBA Positive Energy
アート 哲学 物理学 社会科学 科学
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  • Cementing Carbon
    2025/10/31

    This is a crossover episode with the Spring Street Passive House education and advocacy series.

    Welcome to a pivotal conversation on the future of our built world. The concrete industry, indispensable for modern infrastructure, is facing an urgent mandate: reconcile its foundational role (pun) with its role as a source of environmental pollution. The scale of the emissions are staggering - if global concrete manufacturing were a country it would be the 3rd largest emitter, behind only China and the US (!). The good news is that with this a motivation the global concrete industry is now rethinking its entire lifecycle.

    In this episode, host Kristof sits down with John Mead, one of the founders of Solid Carbon to talk about efforts to transform concrete from a carbon emitter into a "net carbon sink. By converting waste carbon materials, wood being one, into a mass of solid carbon through pyrolysis and then using this carbon sink in a durable material through concrete we are making a huge impact in an industry that needs to make some powerful shifts in the years ahead.


    John Mead

    John Mead is an entrepreneur with 20 years leading companies focused on sustainable construction. He has a bachelor's degree in mechanical engineering from Oregon State University, and an MBA from George Fox University. He is CEO of Solid Carbon Inc., an Oregon company specializing in the commercialization of biochar-based ingredients for the ready mixed concrete industry. Solid Carbon's mission is to transform the concrete industry into a climate solution with climate smart concrete solutions to sequester carbon in the built environment. When not working on climate-friendly construction businesses he can be found coaching high school rugby, camping in the Cascades, gardening and admiring historic and modern architecture.

    Solid Carbon LinkedIn

    Team

    Hosted by Kristof Irwin

    Edited by Nico Mignardi

    Produced by M. Walker

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    1 時間 1 分
  • Systems Thinking to Save the World - 50 years of Serious Commotion
    2025/10/21

    This may be the ultimate systems thinking interview. Beyond building science at the site scale, this is systems thinking to save the world.

    Gail Vittori and Pliny Fisk III have their fingerprints all over the structural ideologies for ways of thinking that underlie what we now think of as the fields of sustainability, greenbuilding, indoor health and well-being and more.

    Enjoy this thoughtful unpacking of ideas that span from systems thinking at the scale of the planet to human society to industry, products and materials. If you’re not familiar with Pliny Fisk III and Gaily Vittori, Max’s Pot, the Center for Maximum Potential Building Systems, or the Global Dreamlab, it’s about damn time that you are. Buckle up and enjoy this wild and fascinating ride with two of the brightest early lights in environmental sustainability in the AEC and beyond.

    Pliny Fisk III

    Pliny Fisk III is a pivotal figure in the sustainability movement, whose career in architecture, landscape architecture, and the systems sciences spans more than four decades. He has dedicated his career to developing replicable prototypes, protocols, and policy initiatives that challenge conventional wisdom in building design, engineering, materials, and planning. His seminal life cycle-based protocols helped shape the first green building programs, and he collaborated on federal efforts like the Greening of the White House and the Greening of the Grand Canyon. He is also an inventor and the CEO and founder of two technology companies, Sustainable Earth Technologies and the EcoInventorium.

    Pliny’s influence extends into academia and policy, having held faculty positions at several major universities and served as an advisor to foundations like MacArthur and Gates. His policy initiatives include the Austin Green Building Program and the AIA’s Environmental Resource Guide, establishing new protocols with broad implementation. His impact has earned him numerous honors, including The Lewis Mumford Award and the U.S. Green Building Council’s Sacred Tree Award. Pliny has been recognized by Metropolis Magazine as a Visionary and by Texas Monthly as one of “35 People Who Will Shape Our Future.”

    Gail Vittori

    Gail Vittori  leads a life of discovery, of adventure, of collaborating with incredible people and finding opportunities to make a little bit of a movement of the needle on things that she is passionate about. Gail has been a key force in advancing green building policies, protocols, and prototypes at the local, state, and national levels, with a particular emphasis on the critical link between sustainable design and human health1. In 1989 she developed the initial conceptual framework for what would become the City of Austin’s Green Builder Program, recognized as the first green building program globally. Building on this foundational work, she went on to convene the Green Guide for Health Care in 2001, an initiative that catalyzed a revolution in the design, construction, and operations of healthcare facilities. Her expertise led her to serve as the Founding Chair of the LEED for Healthcare committee from 2004 to 2008, and she also co-authored Sustainable Healthcare Architecture.

    Gail has held several influential leadership positions in the sustainable building community. She served on the USGBC Board of Directors from 2002 to 2010, including a term as Board Chair in 20095. She also dedicated eight years to the Green Business Certification Inc. (GBCI) Board of Directors from 2011 to 2019, where she served as Board Chair from 2013 to 2019. Currently, she is the Vice-Chair of the Health Product Declaration Collaborative Board of Directors. Her vision and impact have earned her significant recognition, including the 2015 Hanley Award for Vision and Leadership and the 2020 USGBC’s Kate Hurst Leadership Award. Additionally, she was featured as an Innovator: Building a Greener World in TIME Magazine and was a Loeb Fellow at Harvard University’s Graduate School of Design.

    Team

    Hosted by Kristof Irwin

    Edited by Nico Mignardi

    Produced by M. Walker

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    1 時間 25 分
  • Navigating the Path to Passive
    2025/09/27
    This is a crossover episode with the Spring Street Passive House education and advocacy series.How do Passive House enclosure decisions actually happen? There’s a stubborn storyline that passive house designs go “too far” and result in a wholly different, and painful, design and construction process. The reality is that designing and building a Passive House is not all the different from building any project. In both cases you are working with a blend of the rigor of building science, the skill and craftsmanship of the construction team, the realities of project specifics like site, climate, budget, and schedule, and the personalities of the people involved. All of this then gets organized and systematized within the context of the Passive House standard of care which simply asks that we do all we can to ensure that a good design translates into long-lasting positive outcomes.Our guest today is Cameron Caja, CPHC. Hearing all he’s doing in the industry/world and the level of expertise he brings is an good reminder of the many intelligent caring people working tirelessly and with great resolve in the AEC today. Hearing his intelligence, wisdom and warmth is encouragement not lose sight of the goal of better buildings, and to not lose heart - we can do this.Links from the Episode:Spring Street Passive HouseEarth AdvantagePHIUSPHICameron CajaCameron Caja is the Business Development Manager at Positive Energy, a role that utilizes the skills he gained through diverse cultural landscapes and his passion for sustainable building practices. His story began as a builder's apprentice in high school, laying the foundation for a career marked by a deep appreciation for construction and design.Cameron studied at National Central University in Jhongli, Taiwan, and Soonchoonhyang University in South Korea, to understand how culture, language, and policy can guide development of the built environment. His studies continued in Japan, Thailand, and Russia, delving into the intersections of politics, housing, and food systems. Cameron earned his Masters degree in Education from the University of Arkansas, where he later managed specialized international education programs for the Graduate School.Sustainability, human and environmental health have always been at the heart of Cameron's endeavors. As a licensed residential builder and the owner of Polaris High Performance Homes, he committed that 100% of his projects would at least meet Energy Star, EPA Indoor airPlus, and WaterSense certifications. As one of the first Certified Passive House Consultants in the state of Arkansas, he actively contributes to advancing building standards in Kansas, Oklahoma, Arkansas, and Missouri as the Central Region Representative of the Phius Alliance Council. Cameron's commitment to community service is evident in his roles with the Habitat for Humanity of Washington County Construction Committee, Tri Cycle Farms Food Recovery Program, and the Omni Center for Peace, Justice, and Ecology. These organizations allow him to extend his impact beyond the realm of building science, addressing crucial social issues like homelessness and food insecurity.TeamHosted by Kristof IrwinEdited by Nico MignardiProduced by M. Walker
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    1 時間 8 分
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