The world has entered "an era of global water bankruptcy" with...

CNN Climate 8 months ago

The world has entered "an era of global water bankruptcy" with irreversible consequences, according to a new United Nations report. Regions across the world are afflicted by severe water problems: Kabul may be on course to be the first modern city to run out of water. Mexico City is sinking at a rate of around 20 inches a year as the vast aquifer beneath its streets is over-pumped. In the US Southwest, states are locked in a continual battle over how to share the shrinking water of the drought-stricken Colorado River. "If you keep calling this situation a crisis, you're implying that it's temporary. It's a shock. We can mitigate it," said Kaveh Madani, director of the UN University's Institute for Water, Environment and Health, and the report's author. With bankruptcy, while it's still vital to fix and mitigate where possible, "you also need to adapt to a new reality… to new conditions that are more restrictive than before," he told CNN. The statistics in the report are stark: more than 50% of the planet's large lakes have lost water since 1990, 70% of major aquifers are in long-term decline, an area of wetlands almost the size of the European Union has been erased over the past 50 years, and glaciers have shrunk 30% since 1970. Even in places where water systems are less strained, pollution is reducing the amount available for drinking. "Many regions are living beyond their hydrological means" and it's impossible now to return to conditions that used to exist, Madani said. It brings human consequences: nearly 4 billion people face water scarcity for at least one month every year. Read more at the link in our bio. 📷: Yasin Akgul/AFP/Getty Images; Elke Scholiers/Getty Images; Kevin Carter/Getty Images; Morteza Aminoroayayi/Middle East Images/AFP/Getty Images

layersDaily Sustainability Digest

Published about 3 hours ago



Sustainable construction is moving beyond showcase green construction projects towards verified disclosure, water resilience and the infrastructure needed for a credible circular economy. More than 1,000 organisations have now published TNFD-aligned nature disclosures, twice last year’s total, signalling that biodiversity, whole life carbon and the environmental impact of construction are becoming board-level risks. For developers, infrastructure owners and material suppliers, nature loss is no longer a landscaping concern but a measurable liability that affects sustainable building design, life cycle cost and long-term building lifecycle performance.

Water risk is becoming a defining test of environmental sustainability in construction. CDP warns that major companies face almost $400bn in rising water-related impacts, while many still fail to quantify exposure with the rigour expected of lifecycle assessment, whole life carbon assessment or embodied carbon reporting. Construction is highly exposed through water-intensive materials, open sites and long-lived assets vulnerable to drought, flooding and regulation. The sector has learnt to measure the carbon footprint of construction; it now needs stronger life cycle thinking in construction that accounts for watersheds, resilience and resource efficiency in construction.

Practical responses are emerging. BIM4Water’s 2026-30 roadmap points to a more data-led water sector, with digital modelling and asset information treated as delivery tools for low carbon design, sustainable design and energy-efficient buildings. Hertfordshire’s £24m waste transfer station, designed to handle 140,000 tonnes a year, shows the physical infrastructure required for circular economy in construction. Recycling targets, end-of-life reuse in construction and circular construction strategies depend on facilities that can sort, process and move materials at scale.

The direction of travel is clear: net zero carbon buildings and net zero whole life carbon targets will depend less on isolated eco-design for buildings and more on verified data, resilient utilities, sustainable material specification and low embodied carbon materials. BREEAM, BREEAM v7, environmental product declarations (EPDs) and robust assessment of embodied carbon in materials will be central to decarbonising the built environment. Sustainable architecture must now prove performance through low carbon construction materials, green building materials, renewable building materials and measurable carbon footprint reduction across design, construction, operation and reuse.

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