On a Tuesday morning in late August, Rosemary Penwarden protested climate inaction in New Zealand. She sat down during rush hour traffic on the main road linking Wellington Airport to the capital’s city center.
The next day, Penwarden was in Arohata’s women’s prison just north of Wellington. She had been charged with endangering transport—a serious criminal offense that carries a maximum penalty of 12 years imprisonment.
According to Kris Gledhill, a professor of law at Auckland University of Technology, the current charge is disproportionate to the offense. “It’s designed for people who do awful things like cutting the brakes on a car,” he said.
But a lack of options may have driven police to the charge, he added. The comparatively minor charges used previously were not deterring other climate activists taking similar actions. And under New Zealand law, there is no middle-ground offense.
That’s because New Zealand has not followed in the steps of several countries trying to quell disruptive protests. In an increasingly global trend, state and federal governments across the U.S., U.K., Australia and Europe have passed legislation to tackle obstructive protest techniques. However, whether they work is yet to be seen—so far activists appear to have been emboldened by the changes.
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📸: Restore Passenger Rail, Don Arnold/Getty Images, Lisa Maree Williams/Getty Images
Europe’s regulatory drive to decarbonise construction now places embodied carbon at the centre of cost and compliance. Brussels’ move to extend the Carbon Border Adjustment Mechanism to hundreds of imported steel and aluminium products is transforming embodied carbon in materials from a reporting metric into a financial liability. This shift accelerates environmental sustainability in construction, forcing the sector to embed whole life carbon assessment and lifecycle assessment within procurement, pricing, and sustainable building design.
Firms that integrate environmental product declarations (EPDs), low embodied carbon materials, and life cycle thinking in construction gain a competitive advantage as traceability and low carbon design become prerequisites for carbon footprint reduction and sustainable material specification.
Market innovation reflects this transition. Carbon-storing renewable building materials such as earth-based bricks that degrade safely at the end of life are reshaping eco-design for buildings and promoting net zero whole life carbon performance. Circular construction strategies and circular economy models are tackling waste-intensive practices, turning disposable fit-outs into recoverable systems that enable end-of-life reuse in construction and measurable life cycle cost savings.
Such advances underline how circular economy in construction can accelerate resource efficiency in construction and sustainable building practices across supply chains. Policy alignment is strengthening this momentum. London’s integrated circular economy framework across its boroughs demonstrates how green infrastructure and sustainable urban development can institutionalise reuse, deconstruction, and low carbon building methods.
Combined with the rapid expansion of renewable energy and the growth of energy-efficient buildings, the carbon footprint of construction is increasingly shifting from operations to materials and embedded impacts. Global climate policy is reinforcing investment pathways. With increased adaptation finance through COP30 commitments, carbon neutral construction and green building products can move from aspiration to implementation.
The industry’s direction is unambiguous: sustainable construction now depends on rigorous whole life carbon management, eco-friendly construction solutions, and verifiable building lifecycle performance. Companies that adopt BREEAM, BREEAM v7, and low carbon construction materials, and that design for resilience, recovery, and end-of-life reuse, are positioned to deliver net zero carbon buildings and lead the transition to truly sustainable design in the built environment.
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