Halfway up the coast of Western Australia, American tourists Emily Wapman and...

CNN Climate 1 year ago

Halfway up the coast of Western Australia, American tourists Emily Wapman and Evan Risucci are riding a gentle current off Turquoise Bay, one of the country’s most remote and beautiful beaches. It’s called drift snorkeling, and the water’s guiding them over Ningaloo, one of the world’s longest near-shore reefs, revealing coral that’s as white as the sand on the sea floor — drained of color by the stress of a severe and prolonged marine heatwave. The Californians met in December on a dating app and are now touring Australia in an aging four-wheel drive they bought online and equipped for adventure. Risucci, a filmmaker, admits he knows little about coral but is learning a lot from his travel companion. “I thought that the white coral was the live coral,” he said, squinting in the harsh Australian sun. “It’d be good for tourists to know what’s actually happening,” he said. “Someone from the United States might come here and think, ‘wow, this is so pretty,’ and be completely oblivious to the fact that it’s all dead.” It’s not all dead, molecular ecologist Kate Quigley told CNN from a boat bobbing above Tantabiddi Sanctuary Zone, a popular destination for local tour boats within Ningaloo Marine Park off the West Australian coast. Ningaloo Reef is sick, like many coral reefs around the world. Read more at the link in @cnnclimate’s bio. #calltoearth 📸: Nush Freedman for CNN

layersDaily Sustainability Digest

Published about 2 hours ago



Momentum in sustainable construction is now driven by tangible progress in materials and methods rather than declarations. The focus on reducing embodied carbon in materials and undertaking robust whole life carbon assessment is reshaping how developers, architects and engineers define sustainable building design. Initiatives such as the Reducing Plastics in Construction Summit reinforce the value of renewable building materials, eco-design for buildings and circular economy in construction frameworks to eliminate petroleum-based polymers and improve resource efficiency in construction.

Biobased composites, recyclable resins and modular approaches are being evaluated through lifecycle assessment tools that can accurately measure the carbon footprint of construction and inform sustainable material specification throughout each project stage. Digitisation is rapidly becoming integral to low carbon design and energy-efficient buildings. Advanced platforms now enable unified modelling of cost, performance and carbon, aligning lifecycle cost optimisation with environmental sustainability in construction.

TM2 Bygg’s software-led method illustrates how low carbon building processes built on data-driven insights help achieve net zero carbon buildings and deliver improved building lifecycle performance. At the policy level, regulators are reinforcing requirements for measurable reductions in embodied carbon and clear evidence of net zero whole life carbon outcomes. These shifts point toward an industry-wide transformation grounded in whole life carbon transparency and the adoption of BREEAM v7 and other sustainable building practices to standardise reporting.

The result is a market that values circular construction strategies, end-of-life reuse in construction and environmental product declarations (EPDs) as verification of a project’s environmental impact of construction. New renewable energy infrastructure, including next‑generation geothermal systems, could redefine the carbon footprint reduction potential of green building materials and low carbon construction materials. As baseload renewables expand, achieving carbon neutral construction and sustainable urban development becomes increasingly viable. The sector is moving beyond pilot projects toward a mature phase of green construction, integrating life cycle thinking in construction and decarbonising the built environment as core business practice.

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