It's the "floating city" but also the sinking city. In the past century, Venice has subsided by around 25 centimeters, or nearly 10 inches.
Meanwhile, the average sea level in Venice has risen nearly a foot since 1900.
It's a tortuous pairing that means one thing: Not just regular flooding, but an inexorable slump of this most beloved of cities into the watery depths of its famous lagoon.
For visitors, its precarious status is part of the attraction of Venice — a need to visit now before it's too late, a symbol that humanity cannot win against the power of nature.
For Venetians, the city's island location has for centuries provided safety against invasion, but also challenges. Tides have got ever higher and more frequent as the climate crisis intensifies. And the city sinks around 2 millimeters a year due to regular subsidence.
But what if you could just… raise the city? It sounds like science fiction. In fact it's the idea of a highly respected engineer who thinks it could be the key to saving Venice.
Read more at the link in @cnnclimate's bio.
📸: Marco Bertorello/AFP/Getty Images; Miguel Medina/AFP/Getty Images; Andrea Merola/EPA-EFE/Shutterstock; Federico Meneghetti/REDA/Universal Images Group/Getty Images; Marco Di Lauro/Getty Images; Uygar Ozel/Shutterstock
The built environment is undergoing a structural transformation driven by regulation, resilience and resource efficiency in construction. The UK’s post-Grenfell regulatory regime has intensified accountability across the sector, demanding transparent dutyholder responsibility and measurable performance in sustainable construction. The government’s plan to reform water governance, alongside stricter rules on leakage and pollution, elevates the importance of sustainable building design that prioritises water efficiency, life cycle cost and whole life carbon assessment. Developers face rising expectations to integrate eco-design for buildings that reduce run-off and demand rather than relying on infrastructure resilience alone.
Climate adaptation is now overt reality, with managed retreat shaping policy and finance. The demolition of coastal homes in Thorpeness demonstrates how location risk is being priced into valuations and insurance. This shift underscores the necessity of sustainable urban development based on lifecycle assessment, whole life carbon reduction and low carbon design to mitigate the environmental impact of construction. The resilience transition highlights that net zero whole life carbon and circular economy principles are not theoretical ambitions but essential for long-term asset viability.
Innovation on the supply side is reinforcing circular economy in construction. The University of Birmingham’s new rare-earth magnet recycling plant supports a circular supply chain for renewable building materials essential to low carbon building systems, from heat pumps to vertical transport. Yet progress on decarbonising materials such as cement and steel remains uneven, showing that embodied carbon in materials and process transparency must go beyond artificial intelligence and data analytics to achieve meaningful carbon footprint reduction. Cleaner production depends on applying life cycle thinking in construction and adopting low embodied carbon materials supported by environmental product declarations (EPDs).
Investment in flexible energy infrastructure, including platforms enabling energy-efficient buildings to interact with the grid, signals a future of decentralised, renewable power and carbon neutral construction. Policy signals remain inconsistent, but the imperative for environmental sustainability in construction is clear. Build fabric-first, electrify systems, embed circular construction strategies and specify green building materials validated through whole life carbon reporting. Those priorities define sustainable material specification, improve building lifecycle performance and align with BREEAM and BREEAM v7 standards, strengthening the economic case for decarbonising the built environment.
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