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.
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📷: Yasin Akgul/AFP/Getty Images; Elke Scholiers/Getty Images; Kevin Carter/Getty Images; Morteza Aminoroayayi/Middle East Images/AFP/Getty Images
Low‑carbon construction is transitioning from niche innovation to mainstream delivery, reflecting an accelerating shift toward sustainable building design and net zero whole life carbon performance. A Nordic–Dutch start‑up has developed a cement alternative that permanently stores CO₂, enabling carbon‑negative concrete with reduced embodied carbon in materials. Such technology directly addresses the carbon footprint of construction, offering measurable gains in whole life carbon assessment and lifecycle assessment without reliance on large‑scale carbon capture infrastructure. The advance positions green construction and eco‑friendly construction as credible pathways for decarbonising the built environment.
Temporary site power is also evolving. Repurposed electric vehicle batteries are replacing diesel generators, cutting operational emissions and supporting circular economy in construction principles. With the Gold Standard’s new framework for verified carbon credits, contractors can now monetise carbon footprint reduction through measurable performance gains. This change combines resource efficiency in construction with financial incentives that accelerate sustainable building practices and reduce reliance on fossil‑based site operations.
Regulatory momentum is uneven but decisive. The Future Homes Standard sets new benchmarks for energy‑efficient buildings, low carbon design, and performance transparency, compelling supply‑chain alignment across Britain’s housing sector. By contrast, Scotland’s deferred expansion of heat‑pump deployment to 2035 risks slowing sustainable urban development and delaying market maturity for low carbon building systems. Strengthened compliance with BREEAM v7 and similar frameworks will define capital allocation, making life cycle cost optimisation and whole life carbon metrics core to project appraisal.
Labour data reveal a 28% expansion in the UK’s green workforce to 650,000 roles, yet shortages persist in modern methods of construction, envelope installation, and low‑carbon systems. Addressing these skills gaps will determine progress toward carbon neutral construction and net zero carbon buildings. Clients and developers embedding low embodied carbon materials and diesel‑free sites in procurement can secure both regulatory resilience and reputational advantage. Integrating eco-design for buildings, environmental product declarations (EPDs), and sustainable material specification across the supply chain ensures verifiable performance on building lifecycle performance, affirming environmental sustainability in construction as the sector’s defining metric.
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