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Planetary Crisis & Ecology

The Compass and the Cosmos: Sacred Geometry

Sacred geometry, examined: the real history behind the ten forms, what nature actually does, and what physics has found in the shape of the universe.

The Greening of Riyadh Saudi Arabia

Riyadh is planting 7.5m trees and running a new metro against an Expo 2030 deadline. A look at the water, heat and money behind the desert city's greening

Ocean Plastic Pollution: How the Tide Is Finally Turning

Ocean plastic pollution is falling: 39% less on Australian coasts. The data, the clean-up technology and the policies proving change is possible

The Backbone of Kindness: Rekindling Our Oldest Virtue in Troubled Times

Kindness is not niceness. Kevin J. Parker argues it is civilisation's load-bearing structure—the backbone on which coexistence depends

Bogotá, Colombia: Mobility as Democratic Space

GREEN CITIES SERIES  |  ARTICLE 8 Every Sunday, Bogotá returns the streets to its people. That act — repeated for fifty years, in a city...

Seoul, and the Return of Water

GREEN CITY SERIES| ARTICLE 11 How river daylighting changed the argument in South Korea’s capital — and why the harder work of a green city...

Curitiba, Brazil: The Classic Model Revisited

GREEN CITIES SERIES  |  ARTICLE 9 For fifty years, urban planners have travelled to Curitiba to study what happened when a young architect-mayor decided that...

Gaia’s Great Turning: A 50-Year Climate Reversal Blueprint (2025–2075. Updated)

This is an updated and revised version of a piece that I published last year. Regrettably, all is not well in the golden valley...

The Friction of Progress: Why the Global Climate Transition is Catching Up to Markets, but Lagging Behind the Earth

In May 2026, the international climate arena presents a striking paradox. It is alive, highly active, and structurally transformed, yet it remains profoundly underpowered...

London. Clean Air, Congestion, and Retrofit Burdens

GREEN CITIES SERIES  |  ARTICLE 6 London has done something that most cities only talk about: it has used road pricing to change behaviour at...

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