The reality is that both toxic chemicals - and not just the so-called "emerging ones" which have in fact been around for years - and the threat of invasive species are equally important, and it is a mistake to elevate species over toxics. Toxics in the Great Lakes have always been the more difficult issue, the poor cousin, to some extent, because there is no elegant solution and certainly no quick fix. The threat from invasives can be dealt with if there is the political will to do so, by getting serious with how ballast water is dealt with in ocean-going vessels. It's not as if we don't know what to do about it. But dealing with the invasive species already here, and coping with both the legacy toxics and the continuing influx of new chemicals into the lakes have a lot in common, and intersect at the junction of using chemicals in the lake to control invasives.
Addressing legacy PCBs and other contaminants in thousands of cubic feet of sediments still in the lakes and their tributaries is a critical issue - right now even when we dredge the materials we warehouse them in perpetuity virtually at the lakeshore. We continue to load new chemicals into the lakes through consumer products and pharmaceuticals, on top of the existing contaminants which remain in undredged sediments.
We encourage everyone to visit our website at
http://www.glgc.org to learn more about the Great Lakes Green Chemistry Network and to help it grow by contributing your input into how these issues can be addressed by supporting the development and use of Green Chemistry throughout the binational Great Lakes basin. Green Chemistry has the potential to be a major tool in addressing both of these critical issues affecting the Great Lakes.