Decades-old and long-debunked myths about so-called chemtrails have become a...

CNN Climate 2 years ago

Decades-old and long-debunked myths about so-called chemtrails have become a central part of a wild conspiracy theory that falsely asserts the US government used non-existent weather manipulation technology to create the devastation caused by Hurricanes Helene and Milton. As myths about Milton and Helene spread, interest in chemtrails increased too on Google search and social media. Chemtrail conspiracy theorists falsely believe condensation trails (known as contrails) left behind by aircraft in the sky are full of toxic chemicals spread by the government to control the weather or control people's minds. In reality, scientists say contrails appear when water vapor condenses and freezes around the exhaust from an aircraft. The virality the conspiracy theory has achieved online in the last couple of weeks has never been seen before and is a cause for concern, climate and weather experts tell CNN. Read more at the link in @cnnclimate's bio. 📷: Taro Hama @ e-kamakura/Moment RF/Getty Images

layersDaily Sustainability Digest

Published about 3 hours ago



The UK construction sector is entering a decisive phase of sustainable construction focused on measurable carbon reduction rather than symbolic gestures. The launch of the UK’s first commercial‑scale carbon capture and storage facilities in the East Coast Cluster, operated by pX Group, marks significant progress in decarbonising the built environment. These links between energy‑intensive industries and new CO₂ transport and storage systems are reshaping the embodied carbon profile of essential materials such as cement and steel, critical to sustainable building design and eco‑friendly construction. The integration of low embodied carbon materials forms a foundation for the adoption of whole life carbon assessment methods and lifecycle assessment strategies now demanded across the supply chain.

Concrete innovation is accelerating as “green concrete” becomes a viable element of low carbon design. Manufacturers are scaling from trials to full delivery. JCB’s move to provide a 100% biodiesel option for tracked excavators demonstrates practical progress toward net zero carbon buildings and carbon neutral construction. Effective reductions depend on verified renewable building materials and traceable biofuels, requiring stricter sustainable material specification and transparent environmental product declarations (EPDs). Verified sourcing and supply are vital to minimising the carbon footprint of construction and improving resource efficiency in construction.

Across projects, whole life carbon thinking is now inseparable from life cycle cost analysis. Intensifying climate conditions—from escalating floods to drought stress—demand resilient, energy‑efficient buildings and green infrastructure designed using eco‑design for buildings principles. Resilience and sustainability are no longer optional performance indicators but integral to building lifecycle performance and sustainable building practices. The industry response is to secure supply from emerging low carbon construction materials clusters, adopt verified fuels and plant emissions data, and embed circular construction strategies.

The momentum reflects a commitment to environmental sustainability in construction, combining circular economy in construction models with frameworks such as BREEAM V7 to achieve net zero whole life carbon outcomes. Through transparent lifecycle assessment and life cycle thinking in construction, every project can demonstrate measurable progress in carbon footprint reduction and deliver the economic and environmental returns driving the transition to sustainable urban development.

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