https://apnews.com/932c686457a5483084a2a31ff043c2e8

GRAND RAPIDS, Mich. (AP) — The ecology of the Great Lakes — and how economic considerations have affected them — is the topic of a talk presented by the Grand Rapids Public Library.

"Science on Tap: Exploring the Ecology of the Great Lakes" is scheduled for Thursday at the SpeakEZ Lounge. The ecological overview from the days of the first European settlers to the present will be delivered by Mark Luttenton of Grand Valley State University.