. >> when intense storms overwhelm milwaukee storm water system, sewage can imet dumped into lake michigan. >> what we are trying to do is instead of speeding up the water, slow it down. >> kevin share runs the district replacing concrete channels built in the 19 '60s with more natural creeks to try to prevent future flooding. >> you think cities around the great lakes are prepared for what is coming? >> none of us are. >> but with access to so much fresh water, the great lakes region is still considered something of a climate haven. dennis stachewicz says with the right solutions they hope to weather the storm. >> change is occurring, and we probably need to prepare for it. >> for eye on america, ben tracy, cbs news, marquette, michigan. >> duncan: next on the cbs weekend news, hitting the road for some sunday blessings, for all. dust this is new video today of the volcano erupting on the spanish island of la palma, look at that, geologists describe it as increasingly aggressive. more than a thousand homes have been destroyed since the volcano first erupted. so far no deaths are reported.