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Planetary Crisis & Ecology

The Common Table in a Burning World: Why the United Nations Must Be Revived, Not Abandoned

The chamber still looks improbably calm. Green marble. Translation headsets. Country names set out in alphabetical order, as though the world’s grief can be...

Los Angeles: Reinventing the Concrete River

Explore Los Angeles' ambitious efforts to transform its concrete flood-control river back into a living ecological corridor amidst urban and climate challenges.

Shanghai, China: Sponge City on the Delta

GREEN CITIES SERIES  |  ARTICLE 12 Shanghai is sinking. The city centre has subsided more than three metres since the late nineteenth century, while the...

The Living Marsh: The World’s Remaining Wetlands and the Intelligence of Water

The Living Marsh Feature · The Living World The world’s remaining wetlands, the work they do for the planet, and the intelligence of water At first light,...

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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