From Science Daily:

An international team of scientists, including researchers from the University of Barcelona (UB), have developed an ultrasound treatment to remove ibuprofen from waters polluted with this drug. The new method could be used in water purification plants, which would avoid the emission of pharmaceutical pollutants into rivers, lakes, seas and other surface waters. Read more.

A 2008 Associated Press investigation found pharmaceuticals in the drinking water supplies of at least 41 million Americans. In the course of a five-month inquiry, the AP discovered that drugs have been detected in the drinking water supplies of 24 major metropolitan areas.

If you would like information about developing unwanted medicine collection programs in your community, see our toolkit, which includes everything you need to know to get started.

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Happy Earth Day 🌎💙From the Great Lakes to your local community, every action counts. Whether it’s reducing waste, protecting water, or learning something new, small steps make a big impact.
Join the 2026 Great Lakes BioBlitz! 🌎🦋📸Starting Earth Day, educators, students, youth groups, and families are invited to help document biodiversity across the Great Lakes region using iNaturalist. A kick-off webinar is scheduled for April 16th at 2 pm CT.Participate anytime during the four‑week event. Snap photos, make observations, and contribute to real conservation data while getting students outside and engaged with nature. Learn more and get ready to explore: https://sites.google.com/wisc.edu/annual-great-lakes-bioblitz/2026 #TeachingTuesday#GreatLakes