For months, a gargantuan iceberg has been slowly spinning in one spot in the...

CNN Climate 1 year ago

For months, a gargantuan iceberg has been slowly spinning in one spot in the Southern Ocean — and it could continue to stay trapped in this vortex for quite some time, experts say. As the world’s largest iceberg, the colossus A23a is of great interest to scientists, who have closely monitored the frozen block since it calved from Antarctica’s Filchner-Ronne ice shelf in 1986. Now, the iceberg’s fate is unclear as it remains stuck as a result of a rare set of circumstances that scientists say is unprecedented. The roughly 3,672-square-kilometer (1,418-square-mile) chunk of ice — slightly bigger than Rhode Island and more than twice the size of the city of London — drifted over a seamount and got stuck in a phenomenon known as a Taylor column, a spinning vortex of water caused by ocean currents hitting the underwater mountain. Read more at the link in our bio. 📷: Emily Broadwell/British Antarctic Survey; Mapping and Geographic Information Centre

layersDaily Sustainability Digest

Published about 11 hours ago



AI-driven innovation is reshaping sustainable construction, as demonstrated by Greyparrot’s Analyser being named on TIME’s Best Inventions of 2025 list. The technology’s precision in identifying recyclable materials reinforces circular economy in construction principles and strengthens whole life carbon assessment practices by improving data capture on waste flows. This form of circular construction strategy supports resource efficiency in construction and encourages greater adoption of eco-design for buildings, reducing the embodied carbon in materials and promoting a measurable approach to the carbon footprint of construction. By integrating artificial intelligence into sorting systems, the industry is taking a critical step toward decarbonising the built environment through technology-led environmental sustainability in construction.

Recognising that machinery alone cannot achieve sustainability goals, the UK construction sector is prioritising human capital to meet the demands of net zero whole life carbon objectives. A coordinated drive to develop new green skills underscores the importance of life cycle thinking in construction and low carbon design expertise. Building professionals are being urged to strengthen their competence in sustainable building practices and whole life carbon management, ensuring future workforce capability in sustainable building design and renewable building materials. These efforts are vital for maintaining BREEAM and BREEAM v7 certification standards which continue to define quality benchmarks for low carbon building performance.

The European Union’s compromise on its Corporate Sustainability Reporting Directive (CSRD) and Corporate Sustainability Due Diligence Directive (CSDDD) is poised to reshape how construction firms disclose their environmental impacts. By applying due diligence primarily to large corporations, the policy risks excluding smaller firms from conducting full whole life carbon and lifecycle assessment reporting. Such omissions could distort visibility into total embodied carbon across supply chains, reducing transparency in life cycle cost evaluation. Broader inclusion would help achieve carbon footprint reduction across all tiers of the built environment and encourage greater adoption of sustainable material specification consistent with the circular economy.

Global scrutiny of sustainable architecture and construction is intensifying in the run-up to COP30, drawing political figures and sustainability advocates alike. Prince William’s planned attendance symbolises renewed commitment to net zero carbon buildings and carbon neutral construction policy, setting a high bar for environmental sustainability in construction targets. These global gatherings amplify pressure to deliver energy-efficient buildings and low carbon construction materials backed by environmental product declarations (EPDs). Governments and construction enterprises alike are expected to demonstrate measurable reductions in the carbon footprint of construction aligned with whole life carbon and embodied carbon standards.

Regulators in Wales have reinforced the importance of compliance as a foundation for sustainable construction. A significant fine imposed on a waste operator underscores how enforcement directly supports cleaner practices and enhances building lifecycle performance. Tackling illegal dumping not only prevents environmental degradation but also sustains the circular economy by protecting legitimate recycling pathways crucial for low-impact construction. Integrity in waste management underpins the success of sustainable design and ensures that resource efficiency in construction continues to strengthen green infrastructure. The ongoing shift toward environmentally responsible building demonstrates how strong governance, technical innovation, and skilled workforces can combine to reduce embodied carbon and ensure sustainability remains at the core of the construction industry.

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