It has been nearly one year since IISG set sail on Lake Michigan to sample for plastic pollution. Since then, Sam Mason, a chemist from State University of New York Fredonia, and her research team have been hard at work analyzing those water samples. The initial results are revealed in the latest edition of IISG’s interview series UpClose.  
 
In this issue, Mason talks about her ongoing work to quantify plastic pollution in the Great Lakes for the first time. In addition to the Lake Michigan results, Mason discusses plastic levels in the other four lakes, explains how plastics could impact aquatic wildlife, and suggests additional research needed to understand this emerging contaminant. 
 
This is the sixth edition of UpClose, which takes readers behind the scenes of the latest research on pharmaceuticals and personal care products. Each interview targets a different component of PPCP research—everything from what happens to pharmaceuticals when water is treated to what bacterial resistance could mean for other aquatic wildlife living in urban rivers. Readers also get an insider’s view of the complex, and sometimes tricky, process of conducting field studies, and the potential implications of research on industries and regulations.
 
Read previous issues of UpClose at unwantedmeds.org. For print copies, contact Pollution Prevention Program Specialist Laura Kammin.

IISG Instagram

Celebrate Earth Day with freshwater science and good conversation! Join Illinois-Indiana Sea Grant, the Northwestern Center for Water, Loyola University researcher Tim Hoellein, and IISG’s Sarah Zack for Science Sips: Trash Talk about Chicago Waterways. Learn what research reveals about litter and trash in Lake Michigan and Chicago waterways and what we can do to help.Plus, enjoy Great Lakes trivia games!📅 April 22, 2026⏰ 7–9 PM📍 Sketchbook Brewing Company, Evanston Tap RoomCome curious and ready to test your Great Lakes knowledge!
Find us at Chicago Comic & Entertainment Expo, March 27–29! We’re linking Subnautica with Great Lakes science through fun, hands‑on activities about food webs, invasive species, and aquaponics.Come geek out with us! 🔗 in bio for event info
Coastal protection is not limited to concrete, rocks, and steel. Coastal protection solutions exist on a spectrum, ranging from softer “green” solutions to harder “gray” structures.Nature-based coastal solutions fall between green and gray techniques, providing multiple benefits to people and habitats.Our three-part video series, Nature-Based Coastal Solutions in the Great Lakes, is now available to watch. Learn how nature-based coastal solutions, including nature-driven and hybrid approaches, can protect shorelines while supporting ecosystems and communities.Watch the 3-part video series at the link in bio.(Photo credit: Liz Spitzer, Illinois State Geological Survey, Coastal Research Group)