A Few Pieces of Plastic Can Kill a Seabird. Now We Know Exactly How Few.
Picture a puffin. Compact, vivid, built for the open ocean. Now picture three sugar cubes. That volume of plastic, according to peer-reviewed research published last November in the Proceedings of the National Academy of Sciences, gives an Atlantic puffin a 90% chance of death. (Ocean Conservancy, November 2025) The study, led by Dr. Erin Murphy…