Day 1 of the Sustainability Symposium 2026 will focus on the recalibration of housing, energy, and financial frameworks.
The systems that once defined how we build wealth, deliver energy, manage risk, and create stability are no longer aligned with how people actually live. This misalignment is particularly acute in the housing market, which has fractured under the weight of affordability constraints, climate risk, shifting household structures, and a decades-long mismatch between housing supply and demand.
Homeownership remains the primary engine of long-term wealth in the United States, yet access to that engine is shifting. First-time buyers are entering the market later than ever, now averaging age 40, losing more than $150,000 in potential equity simply by waiting to purchase a home.
At the same time, mobility has dropped to historic lows, as millions of homeowners remain locked into sub-4% mortgage rates. Affordability has deteriorated sharply, with only 28% of households able to qualify for a median-priced home, down from 57% just five years ago.
Furthermore, the way Americans live is changing faster than the housing system can adapt. Multigenerational living is surging, not as a niche lifestyle choice, but as a practical necessity driven by economics, caregiving, and cultural shifts. Nearly 60 million Americans now live in shared households, yet only a fraction of homes are designed to accommodate aging in place or flexible living arrangements.
At the same time, climate risk is beginning to redraw the map. Insurance premiums are doubling, or disappearing altogether, in high-risk regions. Entire markets are facing long-term questions about insurability and viability. Where you can live is no longer just about preference, it’s about risk exposure.
Layer on top of that the increasing role of algorithms in home search, valuation, and underwriting, and you start to see a system that is becoming more complex and opaque, and, in many cases, less accessible.
And while this year’s symposium is not explicitly an AI conference, the reality is that artificial intelligence will quietly sit beneath many of these conversations. Throughout the Symposium, many speakers will touch on how intelligence, automation, and data are beginning to redefine the systems we depend on, raising important questions about transparency, access, efficiency, and who ultimately benefits.
A Bold Conversation
On day 1 of Green Builder Media’s 10th annual Sustainability Symposium 2026: Systems Reckoning, a free, virtual event scheduled for June 3 & 4 (12:00-3:00 ET each day), we’ll tackle housing affordability and the shifting dynamics of energy systems.
I’ll open the day with “The Affordability Reckoning: Reframing the Solution,” a session that challenges one of the industry’s most deeply embedded assumptions: that sustainability, resilience, and wellness are cost drivers rather than value creators. The affordability crisis didn’t emerge overnight, and it will not be solved through marginal adjustments. It is the direct result of what we measure, what we subsidize, what we finance, and what we continue to ignore. We’ll explore how frameworks like Value Per Square Foot can help realign housing around long-term performance, stability, and lived experience rather than short-term transactional cost.
From there, internationally esteemed environmentalist, educator, and author Bill McKibben will take the conversation outward in “Power Shift: Rethinking Energy in a World at Risk.” In this session, McKibben will outline that energy is no longer simply a commodity, it has become a defining force in economic stability, national security, resilience, and long-term prosperity.
As he puts it, “We are at the confluence of three huge streams of events. The climate crisis is accelerating at the exact moment the economics of renewable energy are becoming impossible to ignore. Simultaneously, geopolitical instability is reshaping how nations think about energy dependence and vulnerability. All of a sudden, it’s not just an orderly economic procession in the direction of ever cheaper renewable energy. Now it’s a pedal-to-the-metal dash to secure sources of energy that can’t be locked up behind a wall or a waterway.”
Lena Hansen, Chief Program Officer at RMI, will offer her perspective about the evolving energy market in “Designing Demand.” Hanson will challenge another foundational assumption underpinning both housing and energy systems: the idea that demand is fixed and must simply be met with more supply.
As Hansen explains, “Everyone is asking, how do we meet demand with more supply—and that is absolutely the wrong question. For decades, we have operated under a model of perpetual expansion: more homes, more infrastructure, more energy production. But the real opportunity lies not in endlessly increasing supply, but in designing systems that fundamentally reshape demand itself through efficiency, digitalization, demand response, and smarter integration. We need to be asking how we manage demand in a way that allows us to be more competitive, provide more affordable energy, and grow faster.”
Join the Reckoning
At Sustainability Symposium 2026: Systems Reckoning, we’re creating space for a rigorous, honest, and forward-looking conversation about what comes next. We’re not interested in preserving old models from the past. Our goal is to create a new system that meets the moment and matches our current—and future—realities.
If you are thinking about where the market is heading, how risk is evolving, how value is changing, and how to position yourself and your organization in a rapidly shifting environment, this is a conversation worth being part of.
As cofounder and CEO of Green Builder Media, Sara is a visionary thought leader and passionate advocate for sustainability. A former venture capitalist, she has participated in the life cycle (from funding to exit) of over 20 companies, with an emphasis on combining sustainability and profitability. She lives in Lake City, Colo., with her husband, where she is an avid long-distance runner, snowboarder, and Crossfit trainer. She is also on the Board of Directors at Dvele, runs the Rural Segment for Energize Colorado, and is a former County Commissioner.
Reimagining Systems for Tomorrow
Day 1 of the Sustainability Symposium 2026 will focus on the recalibration of housing, energy, and financial frameworks.
The systems that once defined how we build wealth, deliver energy, manage risk, and create stability are no longer aligned with how people actually live. This misalignment is particularly acute in the housing market, which has fractured under the weight of affordability constraints, climate risk, shifting household structures, and a decades-long mismatch between housing supply and demand.
Homeownership remains the primary engine of long-term wealth in the United States, yet access to that engine is shifting. First-time buyers are entering the market later than ever, now averaging age 40, losing more than $150,000 in potential equity simply by waiting to purchase a home.
At the same time, mobility has dropped to historic lows, as millions of homeowners remain locked into sub-4% mortgage rates. Affordability has deteriorated sharply, with only 28% of households able to qualify for a median-priced home, down from 57% just five years ago.
Furthermore, the way Americans live is changing faster than the housing system can adapt. Multigenerational living is surging, not as a niche lifestyle choice, but as a practical necessity driven by economics, caregiving, and cultural shifts. Nearly 60 million Americans now live in shared households, yet only a fraction of homes are designed to accommodate aging in place or flexible living arrangements.
At the same time, climate risk is beginning to redraw the map. Insurance premiums are doubling, or disappearing altogether, in high-risk regions. Entire markets are facing long-term questions about insurability and viability. Where you can live is no longer just about preference, it’s about risk exposure.
Layer on top of that the increasing role of algorithms in home search, valuation, and underwriting, and you start to see a system that is becoming more complex and opaque, and, in many cases, less accessible.
And while this year’s symposium is not explicitly an AI conference, the reality is that artificial intelligence will quietly sit beneath many of these conversations. Throughout the Symposium, many speakers will touch on how intelligence, automation, and data are beginning to redefine the systems we depend on, raising important questions about transparency, access, efficiency, and who ultimately benefits.
A Bold Conversation
On day 1 of Green Builder Media’s 10th annual Sustainability Symposium 2026: Systems Reckoning, a free, virtual event scheduled for June 3 & 4 (12:00-3:00 ET each day), we’ll tackle housing affordability and the shifting dynamics of energy systems.
I’ll open the day with “The Affordability Reckoning: Reframing the Solution,” a session that challenges one of the industry’s most deeply embedded assumptions: that sustainability, resilience, and wellness are cost drivers rather than value creators. The affordability crisis didn’t emerge overnight, and it will not be solved through marginal adjustments. It is the direct result of what we measure, what we subsidize, what we finance, and what we continue to ignore. We’ll explore how frameworks like Value Per Square Foot can help realign housing around long-term performance, stability, and lived experience rather than short-term transactional cost.
From there, internationally esteemed environmentalist, educator, and author Bill McKibben will take the conversation outward in “Power Shift: Rethinking Energy in a World at Risk.” In this session, McKibben will outline that energy is no longer simply a commodity, it has become a defining force in economic stability, national security, resilience, and long-term prosperity.
As he puts it, “We are at the confluence of three huge streams of events. The climate crisis is accelerating at the exact moment the economics of renewable energy are becoming impossible to ignore. Simultaneously, geopolitical instability is reshaping how nations think about energy dependence and vulnerability. All of a sudden, it’s not just an orderly economic procession in the direction of ever cheaper renewable energy. Now it’s a pedal-to-the-metal dash to secure sources of energy that can’t be locked up behind a wall or a waterway.”
Lena Hansen, Chief Program Officer at RMI, will offer her perspective about the evolving energy market in “Designing Demand.” Hanson will challenge another foundational assumption underpinning both housing and energy systems: the idea that demand is fixed and must simply be met with more supply.
As Hansen explains, “Everyone is asking, how do we meet demand with more supply—and that is absolutely the wrong question. For decades, we have operated under a model of perpetual expansion: more homes, more infrastructure, more energy production. But the real opportunity lies not in endlessly increasing supply, but in designing systems that fundamentally reshape demand itself through efficiency, digitalization, demand response, and smarter integration. We need to be asking how we manage demand in a way that allows us to be more competitive, provide more affordable energy, and grow faster.”
Join the Reckoning
At Sustainability Symposium 2026: Systems Reckoning, we’re creating space for a rigorous, honest, and forward-looking conversation about what comes next. We’re not interested in preserving old models from the past. Our goal is to create a new system that meets the moment and matches our current—and future—realities.
If you are thinking about where the market is heading, how risk is evolving, how value is changing, and how to position yourself and your organization in a rapidly shifting environment, this is a conversation worth being part of.
Register today!
Tune in next week to learn about the Day 2 sessions!
The 2026 Sustainability Symposium is brought to you by Trane Technologies, Timbertech, and IAPMO.
By Sara Gutterman
As cofounder and CEO of Green Builder Media, Sara is a visionary thought leader and passionate advocate for sustainability. A former venture capitalist, she has participated in the life cycle (from funding to exit) of over 20 companies, with an emphasis on combining sustainability and profitability. She lives in Lake City, Colo., with her husband, where she is an avid long-distance runner, snowboarder, and Crossfit trainer. She is also on the Board of Directors at Dvele, runs the Rural Segment for Energize Colorado, and is a former County Commissioner.Also Read