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
Climate damage and material waste are reshaping sustainable construction more forcefully than certification culture. The loss of 38 homes to wildfire in the Midlands has exposed the need for sustainable building design that treats fire resilience, flood resistance and passive survivability as core requirements. Shropshire fire crews’ warnings over escalating wildfire and flooding extremes underline a decisive shift for green construction: buildings must be designed for volatility, not historic weather patterns.
Large-scale migration would intensify pressure on housing delivery, infrastructure finance, sustainable urban development and supply chains for low carbon construction materials. Adaptation is now a construction pipeline issue, requiring life cycle thinking in construction, robust building lifecycle performance and a clearer link between resilience, life cycle cost and whole life carbon.
Materials innovation is moving towards the circular economy in construction. Plans for a wind turbine recycling facility at the Port of Inverness show renewable infrastructure confronting end-of-life reuse in construction. The sector’s claims on circular economy performance will increasingly depend on measurable circular construction strategies, resource efficiency in construction and sustainable material specification, not marketing language. Embodied carbon, embodied carbon in materials and the carbon footprint of construction must be assessed alongside operational energy if net zero carbon buildings and net zero whole life carbon targets are to be credible.
Research converting waste plastics, packaging and old CDs into polymer networks that harvest moisture from air points to future green building products and construction-adjacent materials for water-stressed regions. The science remains early stage, yet it supports the wider move towards low embodied carbon materials, renewable building materials where appropriate, and practical eco-design for buildings.
Laboratory findings showing duct tape outperforming sandbags as a flood defence reinforce a key lesson for sustainable architecture: resilience can come from inexpensive, rapidly deployable measures as well as major green infrastructure. The direction is clear. Sustainable construction is expanding beyond carbon accounting into whole life carbon assessment, lifecycle assessment, low carbon design, circular economy principles and climate practicality. The strongest projects will combine energy-efficient buildings, lower embodied carbon, carbon footprint reduction and durable adaptation to a harsher world.
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