[s9e17] Upgrade May 2026

Detail the of the most recent Ocean Cleanup missions.

The episode focuses on the ambitious engineering "upgrade" proposed by , founded by Boyan Slat. [S9E17] Upgrade

It is far more efficient to stop plastic at the source (rivers) than to hunt for it in the middle of the ocean. Detail the of the most recent Ocean Cleanup missions

Using the ocean's natural currents, the system concentrates plastic in a central "retention zone" where it can be periodically collected by ships and hauled back to land for recycling. [S9E17] Upgrade

Explain the of why ocean plastic is so hard to recycle.