Sustainable Building Strategies

The best-designed multi-family and single-family homes, hospitals and care centers, schools and higher education facilities, gathering places and second spaces are built for longevity. It’s about addressing the needs of society today and into the future. The human impact on climate conditions is a fact. To build a better future, the “how” must be considered in regard to the process of building itself, and the potential negative impacts on the environment.

Construction is one of the most resource-intensive industries in the world, responsible for nearly 40 percent of global greenhouse gas emissions and a significant portion of energy and material consumption. This creates both a challenge and an opportunity. If the industry rethinks how building is executed, meaningful reduction of the overall environmental footprint can be achieved, while still delivering the structures society depends on.

One of the most promising advancements is the rise of mass timber, specifically cross-laminated timber (CLT). CLT is an engineered wood product created by layering lumber in alternating directions to form strong, structural panels. Beyond its structural performance, CLT offers meaningful environmental advantages. Because timber is a renewable resource, it stores carbon absorbed during tree growth, effectively locking that carbon into the building for the life of the structure. Some analyses show that a cubic meter of CLT can store more carbon than is emitted during its production and transport.

Additional critical benefits reflect how CLT is produced and installed. Panels are fabricated off-site with high precision, resulting in minimal material waste and faster construction timelines. This represents a shift from traditional building practices that generate significant on-site waste. Off-site construction leads to a broader innovation noted as prefabrication and modular construction. Rather than building entirely on-site, components are manufactured in controlled environments and assembled in the field. This approach improves efficiency, consistency, and sustainability across the construction lifecycle.

Prefabrication has been shown to reduce construction waste by 40–70 percent, while also shortening project timelines and lowering overall costs. Factory-controlled environments allow for more precise material usage, reducing excess and minimizing rework. These efficiencies extend beyond waste reduction. By streamlining construction processes and reducing time on site, prefabrication also lowers energy consumption, equipment use, and transportation impacts—further decreasing the environmental footprint of a project.

These examples demonstrate that it is possible to improve the way we build, and those innovations result in reduced aggregated environmental impacts and better universal outcomes for a project. If the goal is to build a better world, then the way projects are built must reflect that intention. The future of construction does not require sacrificing performance or longevity. Better building practices require intention, innovation, and better accountability.