From the CBC:

A mysterious resurgence of phosphorus in the Great Lakes is endangering the aquatic food chain and human health, says a binational agency that advises Canada and the U.S.

Fifteen years after the last programs to control phosphorus runoff ended, the International Joint Commission urged on Wednesday a renewed effort to get the oxygen-depleting chemical out of the water.

The call to action was one of 32 recommendations the commission made to both governments in its biennial report on the state of the Great Lakes at Detroit’s Wayne State University.

The report specifically urges the two governments, which are currently renegotiating a binational water quality agreement, to include human health language in the agreement.

The report underlined a growing problem with phosphorous in the Great Lakes, especially in Lake Erie, which over the last few years has seen an increase in algal blooms caused by excessive nutrient runoff such as phosphorous. Read more.

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Invasive crayfish are reshaping freshwater ecosystems, and there's a lot of new ground to cover. 🦞The Invasive Crayfish Collaborative is hosting two virtual lightning talk sessions packed with the latest on impacts, distribution, management, and policy.💻 Session 1: Mon, April 27 | 3 pm ET / 2 pm CT💻 Session 2: Tue, April 28 | 12 pm ET / 11 am CT🔗 Registration links in bio.
Did you know unused medications can end up in our lakes, rivers, and drinking water, affecting our wildlife and water quality? That’s why proper disposal matters. This Saturday, April 25th, take advantage of the DEA’s National Prescription Drug Take Back Day (10 a.m. – 2 p.m.) to safely and anonymously drop off expired or unused prescriptions.Can’t make it Saturday? Our Unwanted Meds program can help you find a year-round drop-off location near you: unwantedmeds.org/how-to-dispose/find-a-drop-off-locationClick the link in our bio to access the Unwanted Meds drop-off locator!#UnwantedMeds #TakeBackDay #GreatLakes #WaterQuality #SafeDisposal
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.