Justin Parkin-Rae takes a break from pulling chunks of weeds from around one of...

CNN Climate 2 years ago

Justin Parkin-Rae takes a break from pulling chunks of weeds from around one of the many rivers that snake through Kaikōura, a quaint fishing town on the east coast of New Zealand's South Island, named Te Waipounamu in his native Māori language. Behind him, Tamati Wikiriwhi and Nikora Wati are chest deep in the water, laughing as they lift a massive tree branch over their heads. The three friends are clearing out the river, which has become stagnant and full of toxic algae blooms due to invasive weeds and broken branches. It's important work, says Parkin-Rae, because clean waterways allow native plants and wildlife to flourish. They are among a growing community of Māori who are working to counter the catastrophic effects of climate change, which is eroding the country's shores, destroying its biodiversity, fueling extreme weather and threatening to displace entire communities. It's an existential threat felt across the world, but it's more pronounced on island nations like Aotearoa, the indigenous word for New Zealand, and among native people like Māori, whose culture and livelihood are rooted in the environment. Read more at the link in our bio. 📸: Alaa Elassar/CNN; Tim Clayton/Corbis/Getty Images; Sanka Vidanagama/NurPhoto/Getty Images

layersDaily Sustainability Digest

Published about 3 hours ago



Sustainable construction is entering a stricter commercial and accountability phase. SDCL Efficiency’s planned wind-down shows that retrofit and energy-efficient buildings are vulnerable when investor confidence weakens, even though they remain central to net zero carbon buildings and to decarbonising the built environment. The message is blunt: environmental sustainability in construction must prove life cycle cost, building lifecycle performance and durable returns, rather than rely on green construction narratives. Developers and asset owners face greater pressure to embed sustainable building design, low carbon design and lifecycle assessment across existing estates and new low carbon building projects.

The Considerate Constructors’ Scheme has revised its checklist and scoring model for the UK and Ireland, pushing procurement and site management towards measurable sustainable building practices. Stronger scrutiny should sharpen whole life carbon assessment, embodied carbon control and the management of embodied carbon in materials, low carbon construction materials and resource efficiency in construction. Homes England’s debt facility with Richborough confirms that housing delivery still dominates public policy. Faster build-out without equal focus on whole life carbon, circular economy in construction, life cycle thinking in construction and the carbon footprint of construction risks locking in avoidable emissions. For teams aligning projects with BREEAM and BREEAM v7, the direction is clear: eco-design for buildings, sustainable material specification, environmental product declarations (EPDs) and net zero whole life carbon are becoming core tests of sustainable design.

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