Every spring in southeastern Wisconsin, rising water temperatures activate certain fishes’ instincts to leave Lake Michigan and migrate up river. Several species, including big trout called “steelhead,” make the run upstream to find gravel beds. That’s where the females deposit eggs and the males then fertilize them.
We mark Earth Day with a profile of a vermicomposter from Wauwatosa. WUWM environmental reporter Susan Bence spoke with Wauwatosa resident Heather Zydek. An Earth Day celebration will be held today at the Harley Davidson Museum. Learn about the beginnings of Earth Day.