The critical system of ocean currents which loops around the Atlantic Ocean is weakening and could be far closer to collapse than previously thought, according to two new studies — an event which would have catastrophic impacts on the planet's weather and climate.
The Atlantic Meridional Overturning Circulation, known as the AMOC, functions like a vast conveyor belt, transporting heat, salt and freshwater through the ocean and influencing climate, weather and sea levels around the planet.
A growing body of research suggests it's weakening as human-driven global warming disrupts its delicate balance of heat and salinity, with one study even predicting it could collapse as soon as next decade. But the AMOC is complex and has only been continuously monitored since 2004. Climate models generally agree it's on course to weaken this century, but there is a huge amount of uncertainty about the extent of its decline.
The two new studies — one which focuses on the AMOC's future, the other on its present — provide new and alarming evidence of its decline.
Read more at the link in our bio.
📷: NASA Goddard Space Flight Center
Sustainable construction in the UK is moving from isolated green construction projects to systems delivery, with grid capacity, planning reform and measurable carbon performance becoming decisive. The Tees Valley agreement for what is expected to be the country’s largest electricity substation underlines the infrastructure required for net zero carbon buildings, electrified logistics, green infrastructure and industrial decarbonisation. Net zero carbon ambitions depend on power networks that can support energy-efficient buildings, renewable growth and sustainable urban development at scale.
Amazon’s £40m all-electric delivery station in Stockton-on-Tees signals a stronger commercial shift towards low carbon building standards and sustainable building design. Its reported 20% reduction in embodied carbon shows how embodied carbon in materials is becoming a core design and procurement issue, not a late-stage calculation. For large logistics assets, whole life carbon, life cycle cost and lifecycle assessment are now central to sustainable design, resource efficiency in construction and the carbon footprint reduction needed to decarbonise the built environment.
Winchester Cathedral’s planned 243-panel solar installation shows heritage buildings entering the retrofit economy without abandoning conservation priorities. The project reflects a wider move towards eco-design for buildings, low carbon design and sustainable building practices that balance fabric protection, operational energy performance and the environmental impact of construction. It also strengthens the case for renewable building materials, low embodied carbon materials, green building products and sustainable material specification in sensitive sites where long-term building lifecycle performance matters.
Proposed reforms to accelerate planning decisions through extra staff, updated rules and digital systems could help unlock low-impact construction, retrofit programmes and carbon neutral construction. Faster approvals will only support environmental sustainability in construction if they prioritise whole life carbon assessment, net zero whole life carbon outcomes, climate resilience and robust evidence through environmental product declarations (EPDs). Assessment frameworks such as BREEAM and BREEAM v7 are likely to gain relevance as clients demand clearer proof of performance.
The National Audit Office warning that public bodies remain at an early stage in tracking climate risks exposes a critical weakness. Heat, flooding and supply-chain disruption are now practical design constraints. The next phase of sustainable architecture and eco-friendly construction will favour organisations able to combine circular economy in construction, circular construction strategies, end-of-life reuse in construction, low carbon construction materials and credible life cycle thinking in construction. Sustainability can no longer function as marketing language; it must be evidenced through whole life carbon, resilient design and transparent measurement.
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