Along some 70 miles of Southern California coastline, usually curious and...

CNN Climate 1 year ago

Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans in the water. The animals are being poisoned by the ocean they live in, experts say, citing reports of sick sea lions at unprecedented levels. And many are dying. Pheobe Beltran, a 15-year-old girl in Long Beach, was swimming on March 30, when a sea lion attacked her right arm. "I was just so scared, so shocked, but I still felt the immense pain on my arms, like, over and over again," Beltran, who was finishing up a 1,000-yard swim during tryouts to become a junior lifeguard, told CNN affiliate KCAL. Up the coast in Ventura County on March 21, a surfer near Oxnard, was bitten by a sea lion in open water. The attack left him "shaken" to his core, he said. The cause is less demonic and more likely domoic acid toxicosis caused by toxic algal bloom, often referred to as red tide, experts say. "The sea lions are coming in almost comatose by the time they're stranding. Something is happening in this particular bloom that seems worse on multiple levels," John Warner, CEO of the Marine Mammal Care Center in Los Angeles, told CNN. "But volume-wise, it's definitely the worst we've ever seen." 📸: Mario Tama/Getty Images

layersDaily Sustainability Digest

Published about 11 hours ago



Low‑carbon construction materials that once featured only in research pilots are now being deployed across major European projects, signalling a tangible shift towards sustainable building design and environmental sustainability in construction. The European Patent Office refurbishment in Vienna integrates Holcim’s ECOPact concrete and ECOCycle® technologies to minimise embodied carbon while demonstrating architectural excellence. The project exemplifies the practical application of whole life carbon assessment and lifecycle assessment, setting a benchmark for net zero carbon buildings and low carbon design across Europe.

In the UK, construction supply chains are increasingly defined by circular economy principles and resource efficiency in construction. Record renewable energy generation is enabling low carbon building sites powered by cleaner electricity, and the emergence of electric maintenance fleets underscores the shift to carbon neutral construction. The economic rationale for decarbonising the built environment is reinforced by a recent study linking reduced emissions to a measurable “clean air dividend” that enhances life cycle cost outcomes for both public health and infrastructure investment.

Financial institutions are embedding climate risk into portfolio management, with pension funds pressing developers to disclose embodied carbon in materials and adopt environmental product declarations (EPDs). This growing demand for transparency is driving sustainable building practices aligned with BREEAM and emerging criteria under BREEAM V7. The Duchy of Cornwall’s move to verify regenerative farming practices points to tighter integration between land management and construction supply chains, connecting healthy soils with lower embodied carbon concrete and renewable building materials that support a circular economy in construction.

The trend is decisive: sustainability has evolved from a narrative into an operational standard defining net zero whole life carbon strategies, green construction performance, and end‑of‑life reuse in construction. Replicating proven models such as Vienna’s will determine how rapidly the built environment achieves coherent, large‑scale transformation toward eco‑friendly construction and measurable carbon footprint reduction.

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