The Kuroshio, or "Black Current," is one of the largest streams of water anywhere in the world, and its recent movement has triggered record-warm ocean temperatures and upended fisheries, an indelible staple of Japanese culture.
Scientists say the warm waters have even amplified heatwaves on land and driven extreme rainfall.
And while there are signs some of the changes are now waning, fishing communities say they aren't yet back to normal.
Meanwhile, scientists worry it could be a sign of more volatility to come.
The position of the current could keep fluctuating, said Bo Qiu, a leading Kuroshio expert at the University of Hawaiʻi at Mānoa. "It's hard to predict the future, but given the data we have so far, I can only see the intensity becoming larger and larger," he said.
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📸 : The Asahi Shimbun/Getty Images
The past quarter has marked a decisive turn for sustainable construction as regulatory and financial frameworks push towards measurable outcomes. The EU Deforestation Regulation now extends accountability across supply chains, compelling developers to verify the provenance of timber and other renewable building materials aligned with environmental sustainability in construction. The latest Environmental Performance Index exposes how far most nations remain from achieving net zero carbon and fully certifiable net zero Whole Life Carbon buildings, sharpening global focus on embodied carbon and the carbon footprint of construction.
Green finance guidance from the Green Finance Institute and WWF reinforces this transition by embedding biodiversity metrics and Whole Life Carbon Assessment into project reporting. Sustainable building design is now inextricably linked to fiduciary responsibility, with investors demanding verified lifecycle assessment data and credible environmental product declarations (EPDs). The incorporation of Life Cycle Cost appraisal and life cycle thinking in construction establishes a unified model where resource efficiency and circular construction strategies define investor confidence.
Operational resilience remains pivotal. Research on the inefficiencies of legacy financial systems underscores that decarbonising the built environment depends not only on low carbon design and low embodied carbon materials but also on digital workflows that enhance building lifecycle performance. The industry’s embrace of eco-design for buildings, Circular Economy in construction, and sustainable building practices signals a shift from aspiration to implementation.
Across markets, the environmental impact of construction and governance failures continue to test trust in green infrastructure. As scrutiny intensifies, sustainable design and carbon neutral construction are emerging as baselines rather than aspirations. The next phase of sustainable urban development will be defined by Whole Life Carbon transparency, robust BREEAM and BREEAM V7 frameworks, and quantifiable progress toward circular economy models that anchor low carbon building performance in verifiable data.
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