As summer temperatures in Osaka, Japan, soar closer to 100 degrees Fahrenheit,...

CNN Climate 3 months ago

As summer temperatures in Osaka, Japan, soar closer to 100 degrees Fahrenheit, staff at Expo 2025 are beating the heat with utility vests that are powered by the sun. Developed by Toyota Group company Toyoda Gosei, in collaboration with solar cell startup Enecoat Technologies and textile manufacturer Seiren, the utility vests are fitted with ultra-thin, flexible solar panels that weigh less than four grams each — lighter than a single sheet of paper — and power neck fans to keep the wearer cool. These solar "films" are made of perovskites. The perovskite solar cells are lighter, cheaper to produce and can be tuned to absorb a broader range of light, including visible and near-infrared. They can even be charged "under shade, in rainy and cloudy weather," says Shinichiro Fuki, director of the Toyoda Gosei team behind the vest. The team is gathering data daily on how it responds to different climate conditions, such as solar radiation and temperature, as well as the performance of the mobile battery that it connects to, which is expected to fully charge in five to 10 hours. According to Fuki, the project is a "world-first initiative" to integrate perovskite solar cells into wearables. "We hope people who work in an environment where they cannot easily obtain power without solar power will use and wear it," he adds. Tap the link in our bio to read more. 📸: Dan Campisi/CNN

layersDaily Sustainability Digest

Published about 1 hour ago

The drive toward sustainable construction across the UK and Europe is rapidly intensifying as engineers, developers and policymakers fuse innovation with environmental responsibility. Plans for a floating, wind-powered hydrogen plant off the Welsh coast mark a significant stride toward **net zero whole life carbon** objectives. By merging offshore wind generation with hydrogen production, this initiative signals a transition towards **carbon neutral construction** and a resilient industrial base with minimal **embodied carbon**. While the project remains at a conceptual stage, its integration into **whole life carbon assessment** strategies is expected to redefine how future energy infrastructures are designed, particularly those targeting **low carbon construction materials** and minimised **carbon footprint of construction**.

China’s Ming Yang Smart Energy has announced a £1.5 billion investment to develop a wind turbine factory in Scotland, illustrating how **green construction** is becoming central to industrial policy and regional regeneration. The proposed facility aims to support the UK’s offshore renewable expansion and stimulate **sustainable urban development**, creating up to 1,500 jobs. The design and delivery of the complex are being aligned with **BREEAM** and potentially **BREEAM v7** standards to ensure a measurable reduction of **embodied carbon in materials** and to promote **sustainable building practices**. The plant’s **life cycle cost** advantage lies in aligning renewable production with a **circular economy in construction**, reducing long-term operational emissions and advancing **resource efficiency in construction**.

In Hull, the opening of a flood resilience laboratory showcases **environmental sustainability in construction** focused on climate adaptation. The lab provides a platform for developing **eco-friendly construction** solutions such as smart drainage systems, flood barriers and **green infrastructure** designed through **life cycle thinking in construction**. These initiatives demonstrate how **sustainable building design** is expanding beyond carbon metrics to address resilience and adaptation, two facets increasingly linked to **building lifecycle performance** and the overall **environmental impact of construction**. The new tidal flood gates in Truro exemplify **low-impact construction** directed toward safeguarding communities while exemplifying **decarbonising the built environment**.

East London’s Immerse LDN transformation has reimagined an underground car park into a vibrant cultural venue through adaptive reuse, a compelling demonstration of the **circular economy** principle and **end-of-life reuse in construction**. This project illustrates that **sustainable architecture** can thrive by extending the lifespan of existing assets rather than defaulting to demolition and rebuild. Such **eco-design for buildings** aligns with **low carbon design** priorities, showcasing how **whole life carbon** reduction is best achieved through reuse and renovation. The approach embodies the premise that a **low carbon building** can also be socially enriching, fostering cultural vitality while reducing the **carbon footprint reduction** burden associated with new developments.

At the policy level, the EU’s Omnibus reforms and updates to the Corporate Sustainability Reporting Directive are tightening expectations for transparency in **lifecycle assessment** and **environmental product declarations (EPDs)**. Construction firms working across borders must integrate **sustainable material specification**, **circular construction strategies**, and **sustainable design** principles into every phase of project delivery. These regulations align increasingly with **whole life carbon assessment** frameworks, ensuring that economic performance and **life cycle cost** evaluations are balanced with social and environmental metrics. Collectively, these developments show the sector’s accelerating move toward **net zero carbon buildings**, **renewable building materials**, and a **sustainable construction** model grounded in performance, adaptability and long-term environmental stewardship.

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Whole Life Carbon is a platform for the entire construction industry—both in the UK and internationally. We track the latest publications, debates, and events related to whole life guidance and sustainability. If you have any enquiries or opinions to share, please do get in touch.