Author: Aleesha Callahan

Aleesha Callahan

Aleesha Callahan is a design journalist, editor and the founder of About Futures – an independent magazine tracing the new era of sustainable design. After more than a decade editing some of Australia’s most respected architecture and design publications, including Habitus, Australian Design Review and Indesign Live, she left traditional media to build something on her own terms. About Futures documents the extraordinary homes, radical materials and visionary people redefining what the built environment can look like when it’s designed for the future.
About Futures – why is concrete so carbon-intensive?

Why concrete is one of the world’s most carbon-intensive materials

Concrete is the most widely used man-made material on Earth, second only to water in global consumption. Its ubiquity in construction has made it indispensable. However, this utility comes at a significant environmental cost: concrete production is responsible for approximately 8 per cent of global carbon dioxide (CO₂) emissions.

V-ZUG’s circular thinking in practice

It seems to be human nature to think linearly. Time, chronology, forward and back, this equals that – but this two-dimensional comprehension is not going to solve some of the more pressing issues of our time. V-ZUG’s Head of Sustainability Marcel Niederberger is turning the linearity of production and supply chains into a wheel.

Off Cut by Proximity for Melbourne Design Week

10 exhibitions about bio-materials and waste to see at Melbourne Design Week 2025

Melbourne Design Week is now in its ninth year, continuing to grow in scale and ambition. I was lucky enough to attend the inaugural event as editor of Australian Design Review — and it’s remarkable to see the shift since then. This year, a surge of shows explores bio-materiality, waste and reuse with new urgency. Here are 10 exhibitions worth adding to your list.

The evolution of bio-composites

The explosion of bio-composites as a new avenue for materials without petro-chemicals is a process that has been going on longer than we might think.

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