On another hot September day, Bereatha Howard, climate equity program manager at the CLEO Institute, sat sipping water in the dappled shade of a leafy tree. The high temperature over at Miami International Airport was 92 degrees Fahrenheit, but in this spot it likely was hotter.
In the historically Black neighborhood of Overtown, the temperature is typically a half-degree Celsius above the citywide average, according to one study.
A growing volume of evidence suggests the temperature differences are no coincidence. Nationwide the hottest urban areas tend to be the neighborhoods with low-income communities and communities of color. In nearly every instance, researchers can trace a link to a nearly century-old federal program aimed at helping homeowners during the Great Depression that was turned against those who needed it most, because of a practice known as redlining.
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📸: Jeffrey Greenberg/Education Images/Universal Images Group via Getty Images, Amy Green/Inside Climate News
Trident Building Consultancy has established a new sustainability division to strengthen advisory expertise on environmental performance within the built environment. The initiative reflects the growing demand for sustainable building design and compliance with carbon reduction regulations. Developers are under pressure to produce robust Whole Life Carbon Assessments and account for Whole Life Carbon in materials, signalling a shift towards integrated sustainable construction strategies. This expansion in professional services is expected to drive greater adoption of sustainable building practices across the sector.
Research by BSRIA reveals significant gaps in retrofit delivery, where the focus often excludes building occupants. Many retrofitted systems are underused because residents are not engaged on how to operate low carbon design technologies. This undermines the climate benefits of energy-efficient buildings and increases the carbon footprint of construction projects over time. Addressing these gaps requires Life Cycle Cost analysis to ensure building lifecycle performance is not lost due to behavioural oversights.
The UK government has committed over £1.1 billion to decarbonise port infrastructure, creating opportunities for low carbon construction methods and renewable building materials in associated developments. Investment in nearshore infrastructure and logistics highlights the potential for green construction supply chains and resource efficiency in construction. These upgrades are expected to open new routes for Circular Economy approaches and help accelerate carbon footprint reduction in both maritime and land-based projects.
At a global level, analysis shows that fewer than 3% of major companies have credible transition plans towards net zero carbon buildings and net zero Whole Life Carbon targets. The construction sector is particularly behind in setting out long-term investment strategies for decarbonising the built environment. Without clear pathways, carbon neutral construction and circular construction strategies risk being delayed, raising concerns about the environmental impact of construction and the financial risks tied to Climate Change policy and investor expectations.
New initiatives in Europe such as iCOSHELLs are advancing soil restoration across 75% of the continent by 2030. While its focus is not primarily on buildings, the implications for sustainable urban development and eco-design for buildings are significant. Soil health will increasingly influence masterplans, sustainable material specification, and the integration of green infrastructure. Developers will need to adapt their designs to support environmental sustainability in construction as part of broader Circular Economy in construction goals.
Smaller-scale innovations such as Swivelpole’s ladder-free retrofit technology demonstrate how eco-friendly construction can support worker safety and minimise disruption in existing facilities. Though modest, these improvements contribute to sustainable retrofit practices, low-impact construction and end-of-life reuse in construction. Incremental advances in sustainable design, combined with major investment and policy, are driving momentum towards greener, more resilient buildings worldwide.
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