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Planetary Crisis & Ecology

Give What You Command: Christianity and the Love that is Ordered

Christianity commands love, including love of enemies, and forgiveness without limit. Then it says none of this can be done by effort alone. From the Good Samaritan to a Charleston courtroom, an essay on a command that follows a gift

What Is Owed: Judaism, Islam and the Debt of Kindness

In 1943 a Muslim family in the Albanian mountains hid a Jewish family from the German army, and the whole neighbourhood knew. The code they kept took no interest in what they felt. Judaism and Islam build kindness the same way: as a debt, owed before it is felt, and tested at its edge.

Accra: The Metabolism of Health and Heat

To understand Accra’s ecological metabolism is to trace the flow of water, air, and humanity through a rapidly shifting coastal topography. Positioned on the Gulf of Guinea, Ghana’s capital is a delta city grappling with the intersecting forces of breakneck urbanisation, compound flooding, and a warming equatorial climate.

Adelaide, Australia: Water-Wise Greening in a Drying South

Adelaide is the driest capital city in the driest inhabited continent on Earth, and it has known this about itself for long enough to have developed some genuinely instructive responses. Its investment in recycled water infrastructure, its early and serious engagement with urban heat as a public health emergency, and its stewardship of one of the great metropolitan parkland systems in the Southern Hemisphere all represent hard-won lessons rather than inherited advantages. Whether those lessons are being applied at the speed and scale that a warming Mediterranean climate demands is a more complicated question — and one the city is still in the process of honestly answering

Barcelona Superblocks: The Radical Battle for Quiet, Green Cities

Inside Barcelona's radical push to reclaim streets from cars. How the superblock grid battles noise, heat, and tourism to recover Cerdà's vision.

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...

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