Rows of worshippers, some with their faces raised toward the sky, others with...

CNN Climate 27 days ago

Rows of worshippers, some with their faces raised toward the sky, others with their heads bowed, prayed for rain at a mosque in Tehran earlier this month. Theirs is an increasingly desperate plea. The city is grappling with a water crisis so severe the Iranian president has suggested people may need to evacuate. The weeks tick by, still the rains don't arrive. There are fears water may run out completely in this vast, bustling city, whose metropolitan area is home to around 15 million people. Iran, a mostly semi-arid country, is no stranger to water shortages, but rarely have they affected Tehran, home to most of the country's rich and powerful. The roots of Iran's water woes echo those in many other parts of the world: decades of over-extraction; aging, leaky infrastructure; a proliferation of dams erected across rivers; mismanagement; accusations of corruption. Through it all runs the thread of climate change, driving hotter, drier weather, meaning year after year, dried-out reservoirs are not replenished. Tap the link in bio for more.

layersDaily Sustainability Digest

Published about 5 hours ago



The shift from sustainability pledges to practical delivery is accelerating across the global construction sector as whole life carbon and embodied carbon performance move to the centre of investment and design. Across Kenya’s drylands, builders are adopting low carbon construction materials such as compressed earth blocks that demonstrate high building lifecycle performance and strong life cycle cost outcomes. Locally sourced earth products deliver measurable reductions in the carbon footprint of construction and strengthen resource efficiency in construction by limiting cement use and supporting community supply chains. This model aligns with the principles of eco-design for buildings and a circular economy in construction, minimising embodied carbon in materials while promoting low-impact construction as a viable route to sustainable building design.

Regulators are tightening oversight of material flows. The European Commission’s plan to improve traceability of plastic imports is designed to curb waste laundering and drive a higher environmental product declarations (EPDs) standard. For the sector, this will demand robust circular construction strategies and greater use of end-of-life reuse in construction, embedding sustainable material specification and verifiable environmental sustainability in construction. It signals the transition from voluntary recycling to a mandatory circular economy approach that reinforces green construction standards and strengthens confidence in sustainable building practices.

Britain’s rapid offshore wind expansion—over 25 GW of capacity approved or operating—marks a critical step in decarbonising the built environment. As grid electricity cleans, electrified plant and heating systems shift from partial to authentic net zero carbon operation. The development of net zero carbon buildings built on low carbon design principles, supported by BREEAM V7 and advanced whole life carbon assessment, will lower operational emissions across project portfolios. Firms that invest early in energy-efficient buildings and digital energy management will achieve genuine net zero whole life carbon alignment while improving long-term life cycle thinking in construction.

The financial impact of escalating climate risks is forcing regulators and insurers to drive resilience into planning. Anticipated mandatory resilience standards will push developers to use sustainable building practices, adaptive reuse, and sustainable architecture that integrates green infrastructure. Strong eco-friendly construction and sustainable urban development increase security of assets and reduce exposure to hazard-related losses, reinforcing the link between sustainable design and carbon footprint reduction.

The emerging reality is that sustainable construction now defines the competitive frontier. Materials are localising, energy supply is decarbonising, and environmental data is informing every whole life carbon decision. Companies embracing green building materials, renewable building materials, and verified environmental impact of construction metrics are converting compliance into resilience, securing a measurable route toward carbon neutral construction and robust long-term value creation.

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