The EPA must follow Canada s lead and issue new rules for ballast water to protect the Great Lakes Molly M. Flanagan, opinion contributor © The Hill The EPA must follow Canada s lead and issue new rules for ballast water to protect the Great Lakes
Last week Canada issued new rules requiring all vessels stopping at Canadian ports to have ballast water treatment systems in place by 2030. While this may seem like a niche issue, reports have shown us that ships contribute to the introduction and spread of destructive aquatic invasive species through the discharge of ballast water. Once species such as zebra and quagga mussels set up camp, they devastate the natural food chain and can lead to dangerous algae growth, which causes substantial environmental and economic harm to the Great Lakes and waters all across the country.
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CLAIRE MOORE
This map shows the geographical composition of Great Lakes Basin surface freshwater and groundwater. (U.S. Geological Survey graphic)
LANSING Fresh water is the aquatic version of treasure. It’s valuable and people really, really want it.
Access to oodles of fresh water is normal for those who live in or near the Great Lakes Basin. Its residents are close to Earth’s largest freshwater ecosystem, which formed when massive glaciers carved out lake beds, then melted.
Below the surface lie groundwater reservoirs, which link the entire watershed.
But now, as North America grapples with climate change and a rising population to feed, the agricultural industry’s interest in tapping into the region’s freshwater supply is growing.