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An independent journal
Edited by Jerry Zou

The Margins

On displacement and the places people call home

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Essays, reporting and work in progress.

A note from the editor

Essay · Southeast Asia

Sand Cartels

Illegal Dredging in Southeast Asia and Coastal Displacement

On Singapore’s demand for sand, and the communities losing land to supply it.

Xingtong Jerry Zou
· 8 min read

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Award-winning essay, Harvard International Review 2025

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Reporting · Burundi

The $27,000 Problem

Musasa’s Broken Pump and the Cost of Waiting

About $27,000 was the reported estimate to replace a failed motor. For Musasa’s residents, the cost was months without a reliable water supply.

Xingtong Jerry Zou
· 6 min read

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Research notes · Water access

Water by Hand

A Human-Powered UV Device: Questions for a Field Trial

A crank or pedal powers a UV lamp. What would it take to use the device beyond the laboratory?

Xingtong Zou & Xingwei Wang
· 6 min read

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Work in progress

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Water research · TEHG-UV

From the laboratory

A water-treatment prototype powered by a hand crank or pedal, and the questions that come before a field trial.

TEHG-UV laboratory demonstration. Open on YouTube
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Research & programme context

FIRST is a CityUHK-led initiative endorsed by UNESCO.

About the collaboration

The research. The underlying TEHG-UV study is by Xingwei Wang and colleagues: “A Simple Disinfection Device for Families in Underdeveloped Regions,” ACS Nano (2026).

My part. I am working with the research group to understand where the device might be useful after displacement. This means looking at local water needs and explaining the study to organizations that might help assess a trial.

The programme. FIRST is led by City University of Hong Kong and endorsed by UNESCO under the International Decade of Sciences for Sustainable Development (2024–2033).

Field notes · Los Angeles / Orange County

Finding a place to live

Rental listings are a starting point. These notes follow the calls, income requirements and practical questions involved in housing navigation.

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Behind the journal

I’m Jerry. My writing follows displacement, housing and water access, alongside notes from the projects I’m working on.

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