Stricter ballast rules needed to protect Great Lakes from invasive species
To prevent further spread of potentially catastrophic invasive species in the Great Lakes, the Canadian government is moving forward with tighter restrictions on all freighters. But standards final… Stricter ballast rules on freighters demanded to protect Great Lakes from invasive species To prevent further spread of potentially catastrophic invasive species in the Great Lakes, the Canadian government is moving forward with tighter restrictions on all freighters. Read Story Related articles: Scientists race to save Lake Michigan whitefish as invasive mussels, warming waters are wiping out population Great Lakes ice resurges this winter, but unpredictable shifts threaten businesses and ecosystem © Copyright 2026 Chicago Tribune. All rights reserved. 1000 Albion Avenue | Schaumburg, IL 60193-4549 Unsubscribe ...