Ozone pollution has become one of Hong Kong’s most persistent air quality challenges. Unlike pollutants that come directly from exhaust pipes or smokestacks, ground-level ozone...
Archive for category: Hello Earth

The Presence of Pesticide That We Don’t Recognize
Modern agriculture depends heavily on chemical pesticides, and for decades they have been framed as a necessary compromise, a controlled environmental cost in exchange for...

It’s Happening, The Largest Coral Bleaching Event Ever!
Coral reefs are often described as strong, ancient, and resilient, yet the events unfolding since 2023 show just how fragile these ecosystems have become in...

An averted crisis? How Desalination Is Staving Off a Global Water Shortage
Globally, there is a growing issue of water scarcity in many high population areas. This is due to a combination of factors; global warming is...

The Ocean is Getting Loud, and They are Paying the Price
When we picture pollution, we tend to think of what we can see: plastic debris, oil slicks, murky water. But one of the most disruptive...

When Plastic Becomes a Platform
For a long time, plastic in the ocean was treated as a symbol of damage, something ugly, lifeless, and clearly out of place. We pictured...

Japan Rethinks Mega-Solar Project. Why?
For years, solar power has been one of the most visible symbols of Japan’s energy transition. But what about their mega-solar project? Hillsides covered in...

Noise Pollution As Invisible Environmental Crisis
Noise pollution rarely feels urgent because it does not leave behind smoke, plastic, or chemical residue. Yet across cities, forests, and oceans, human-made noise now...

Silent Crisis in the Air We Share
Air pollution is often invisible, yet it shapes daily life in powerful ways. We breathe thousands of times a day without thinking about what enters...

How Mercury Ends Up in Fish
Mercury is a word that often raises concern, especially when it appears in conversations about food and health. We hear warnings about limiting certain types...
