New research has found microplastics in dolphin breath for the first time, suggesting that these marine animals are inhaling pollutants when they come up for air. The study, published in Plos One, analyzed exhaled air from bottlenose dolphins in two sites: Sarasota Bay, Florida, and Barataria Bay, Louisiana. Microplastics were detected in all 11 dolphin breath samples, indicating airborne contamination.

Source: https://www.theguardian.com/environment/2024/oct/16/microplastics-found-in-dolphin-breath-for-first-time-study