claim: "the problem with invasive species today in the great lakes isn’t ballast water."
author: steve latourette
evidence_1: dec 12, 2018 ... at least 25 invasive species of fish have entered the great lakes since the ...  ballast water is taken onto or discharged from a ship as it loads or unloads ...  based on the problems caused by invasive species, scientists are also ...
evidence_2: nov 14, 2018 ... the new policy aims to keep invasive species out of lake michigan and other ...  senate passes bill to keep ballast water containing invasive species out of great  lakes ... by aquatic invasive species, now is not the time to weaken clean water  ... preschool effort aims to build literacy, curb later problems.
evidence_3: ​invasive species—like zebra mussels and round gobies—have forever  damaged the great lakes. ... cleaning up ballast water is the most effective way  to prevent new invasive ... but it had unintended consequences that are being felt  today.
evidence_4: apr 17, 2018 ... as the law currently works, both the environmental protection agency and the ...  protect u.s. waters, businesses, and communities from invasive species.” ... the  problem is that ballast water is anything but dead weight. ... the great lakes  have suffered dozens of species invasions since the exemption.
evidence_5: jan 8, 2018 ... great lakes author dan egan talks about invasive species ... i think now it's over  60 non-native species and once these things get a ... no it doesn't, and there's a  movement in congress to move ballast water management away from the u.s.  environmental ... that fertilizer problem isn't unique to lake erie.