In the middle of a forest reserved for timber harvesting on Washington’s Olympic Peninsula, Mark Elbroch and two other members of the Olympic Cougar Project prepared to investigate a likely cougar den. They were tipped off to its location by a young female they’d fitted with a GPS collar and nicknamed Scalp last year.
Scalp’s collar connects with satellites to calculate her movements, seen as red track lines on the team’s GPS devices. These cougar experts had a pretty good idea what the seemingly erratic tracks meant. Scalp was going out to hunt deer, then circling back to nurse kittens.
It’s legal in Washington to hunt cougars. But the leading cause of death for the project’s study animals is “lethal removal,” the state’s go-to response when a landowner thinks a cougar attacked their livestock or pets. Cougars prefer deer and elk but will settle for smaller animals if they happen upon them, especially when they’re young and still learning the art of hunting larger prey. More often than not, it will cost them their life.
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📸: Michael Kodas
The decarbonisation of construction is moving rapidly from policy to implementation. On Teesside, a major operation and maintenance award for the UK’s first commercial‑scale carbon capture project signals a shift from pilot schemes to large‑scale delivery. The East Coast Cluster development could significantly reduce embodied carbon in materials central to sustainable construction. It aligns with growing demand for low embodied carbon materials and whole life carbon assessment in both new projects and retrofit schemes.
Advances in low carbon design are reshaping plant and logistics. JCB’s introduction of excavators operating on 100% biodiesel offers an immediate pathway to cut the carbon footprint of construction equipment, complementing the move towards carbon neutral construction. Tevva’s hydrogen‑electric truck extends zero‑emission transport options in daily site logistics, supporting the transition to energy‑efficient buildings and greener supply chains that improve lifecycle assessment outcomes and life cycle cost efficiency.
The workforce and regulation are evolving to sustain environmental sustainability in construction. New government funding to address building‑safety competence could accelerate sustainable building design, digital quality assurance, and modern methods using eco‑friendly construction processes. Regulatory tightening on waste management reinforces the importance of circular economy in construction, verified waste routes and end‑of‑life reuse in construction to minimise the environmental impact of construction operations.
Boards across the sector are being urged to embed sustainable building practices and apply life cycle thinking in construction procurement. By locking in low carbon construction materials from carbon capture hubs, piloting renewable fuels and hydrogen drivetrains, and aligning projects with standards such as BREEAM and future BREEAM v7 frameworks, companies can position for net zero whole life carbon performance. The current momentum places the industry closer to achieving true decarbonising of the built environment, where green construction, sustainable material specification, and eco‑design for buildings underpin every decision from design to demolition.
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