Walk almost any beach in Sri Lanka the morning after a rough tide and, unfortunately, what you see isn’t pretty. Bottles, wrappers, and fragments of packaging pushed into the high-water line. Not everywhere, not always, but often enough that it feels structural rather than incidental.

The instinctive response is to clean it up. And across the island, people do. Hotels organise staff clean-ups at dawn. Volunteer groups gather on weekends. Surf communities move along stretches of coastline with sacks and gloves, restoring, for a moment, the illusion of an untouched shore.

But the waste returns.

Because what is visible on the beach is only the final stage of a much longer system. One that begins inland, moves through towns and waterways, and ends where land gives way to sea. The issue is not effort. It is what happens to waste once it is out of sight.