sustainable industries

The Green Revolution: Shifting Focus to Sustainable Building Retrofits

As the landscape of sustainable construction continues to evolve, a noteworthy shift is steering the industry toward a more environmentally conscious path—one that embraces the inherent sustainability of existing structures. While cutting-edge technologies and eco-friendly materials play crucial roles in advancing sustainability, the resurgence of an age-old truth is making waves: the greenest buildings might just be the ones already standing.

The modern trend in sustainable construction often champions new technologies and materials for their reduced environmental impact, lower energy consumption, and improved occupant well-being. However, recent studies challenge the conventional narrative by underscoring the long-term environmental benefits of green retrofits on existing buildings, proving them to be on par with new constructions.

The Environmental Advantage of Green Retrofits: A Paradigm Shift

In contrast to the pursuit of creating the highest-performing buildings through avant-garde technologies, the conversation now pivots to the holistic sustainable footprint and overall environmental impact. Green retrofits, despite not always yielding the highest performance, demonstrate a significant advantage in the building life cycle when considering embodied energy and environmental impact.

When assessing the environmental toll of a new construction project—from manufacturing building materials to transporting them and the energy expended in construction—a recent study suggests that it can take anywhere from 10 to 80 years to offset the climate change impacts. This timeline holds even when the new green building boasts 30% higher energy efficiency than its predecessor.

Industry Insight: Building Owners and Operators Embrace the Change

Acknowledging this paradigm shift, building owners and operators are increasingly opting for green renovation or retrofits. High-profile examples include the iconic Merchandise Mart in Chicago, a sprawling 4.2 million square feet structure, which achieved LEED certification following a comprehensive green retrofit in 2009. The historic Empire State Building also joined the ranks with a LEED-Gold certification in 2011 after an extensive ‘green up.’ Notably, the 32nd floor managed by Skanska secured LEED Platinum status. In Portland, a 1927 Meier & Frank department store warehouse, now the LEED Platinum-certified North American corporate headquarters for Vestas, exemplifies the successful transformation of an old vacant structure.

This paradigm shift underscores the industry’s realization that retrofitting existing structures not only aligns with sustainable principles but also minimizes the environmental impact associated with new construction. As the sustainable construction landscape continues to evolve, a more balanced and holistic approach to building practices emerges—one that leverages the environmental advantages of both innovation and preservation.

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