Railcars once filled with bustling commuters in the city of Atlanta are now 65...

CNN Climate 2 years ago

Railcars once filled with bustling commuters in the city of Atlanta are now 65 feet below the Atlantic Ocean and filled with inquisitive fish, sea turtles and coral. At the end of last year, the Metropolitan Atlanta Rapid Transit Authority dumped two railcars off Georgia’s coast as part of a program to develop reef habitats and marine wildlife with the Georgia Department of Natural Resources Reef Project. Any hazardous materials were removed first, and they were inspected by the US Coast Guard. In August, the DNR Coastal Resources Division made its first dive to check on the cars and discovered soft coral beginning to grow and at least nine species of game fish. Read more at the link in @cnn’s bio. 📸: Cameron Brinton; MARTA/Georgia Department of Natural Resources

layersDaily Sustainability Digest

Published about 6 hours ago



Wildfires destroying homes in the Midlands and Shropshire crews moving between fire and flood show why sustainable construction must now treat climate resilience as a core design requirement. Sustainable building design, low carbon design and eco-design for buildings need to account for overheating, fire risk, drainage capacity, defensible space and durable fabric performance.

Whole life carbon, embodied carbon and life cycle cost are becoming inseparable from safety, insurability and asset value, making whole life carbon assessment and lifecycle assessment essential tools for developers, councils and investors.

Karachi’s mangrove loss reinforces the construction value of green infrastructure and nature-based flood protection. Tidal creeks, mangrove belts and resilient coastal landscapes can reduce erosion, store carbon and protect communities, supporting environmental sustainability in construction without relying solely on hard engineering. For sustainable urban development, green construction and eco-friendly construction must prioritise site planning, biodiversity and building lifecycle performance alongside energy-efficient buildings and net zero carbon buildings.

Plans for a wind-turbine recycling facility in the Scottish Highlands point to a more mature circular economy in construction. Renewable infrastructure must address end-of-life reuse in construction, resource efficiency in construction and the embodied carbon in materials, especially composite blades and complex low carbon construction materials. The shift supports circular construction strategies, low embodied carbon materials and net zero whole life carbon targets, aligning with BREEAM, BREEAM v7 and wider expectations for environmental product declarations (EPDs). The strongest signal for decarbonising the built environment is clear: sustainable building practices must measure the carbon footprint of construction across design, use, maintenance and decommissioning.

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