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Long Ago and Far Away: Drift Cards Found 45 Years Later and Thousands of Miles Away

In this 2021 blog, volunteers find an interesting piece of marine debris while cleaning up trash. Drift cards were once used to help track how pollution moves in the ocean, and in the case of these two cards, they moved thousands of miles away from where they were released.

A drift card.
Last updated Tuesday, January 3, 2023 3:14pm PST