Each year, as snow and ice melts from the peaks of the Alps, young bearded...

CNN Climate 1 year ago

Each year, as snow and ice melts from the peaks of the Alps, young bearded vultures take their first flights. Fending for themselves for the first time, they are looking for food. Bearded vultures are the only animal with a diet of almost all bone. But a century ago, these vultures would not have been seen along the European mountain range. The local population was driven extinct, as bounties were placed on their heads, since people believed they snatched and killed lambs and even small children. The last wild bearded vulture in the Alps was shot and killed in the Aosta Valley in Italy in 1913. Thanks to a reintroduction project, led by the Vulture Conservation Foundation (VCF), populations are now rebounding. In 1986, VCF started releasing vultures raised in captivity into the wild, and since then it has released 264 birds in the Alps. The alpine population is now self-sustaining, with 522 wild fledglings born since 1997. The birds were declared a protected species by the EU in 2009, and in France, hunting one carries a maximum penalty of €150,000 ($206,000) and three years in prison. Today, VCF estimates there are up to 460 bearded vultures in the Alps, with 61 wild birds born in 2024. Where once farmers hunted the "gypaète barbu" or "lammergeier" as they are known in French and German, now hikers turn their eyes skyward, hoping to catch a glimpse of these birds that came back from the brink. Read more at the link in our bio. #CallToEarth 📸: Hansruedi Weyrich/Vulture Conservation Foundation; William Van Hecke/Corbis/Getty Images; Education Images/Universal Images Group Editorial/Getty Images

layersDaily Sustainability Digest

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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.

The UN’s warning that climate impacts could displace millions across South Asia raises direct implications for environmental sustainability in construction.

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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