The UAE just pulled off something that sounds like pure environmental victory: closing a major landfill four years ahead of schedule. On paper, it's the kind of headline that makes you want to high-five a solar panel. But like most stories involving garbage, this one gets messy when you dig deeper.

Have you ever seen a recycling bin which is colour coded, only to see another shortly after with different colours?

Contamination is a significant issue for Ree, and recycling, because it can render entire batches of recyclable materials unusable.