Looking for entangled seals near Walvis Bay, Namibia. Alan van Gysen, Now Now Media

Ocean Conservation Namibia, a nonprofit group, estimates it has rescued around 3,000 seals entangled in marine garbage since 2020. The videos of its rescues have become a sensation online, suggesting that the group has threaded a tricky needle: calling attention to the growing crisis of marine trash but with a feel-good ending for the affected animals.

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