. >> that opening under the wall there, that was a han us ut, thi wha we must do, because better and the state okay's it, those are state permits and the epa knows it and the epa is of course the federal agency that oversees all the states. >> so at every level of government, this is not a secret. >> not a secret. >> why is it not a scandal? >> because most people don't know about it. >> yet it is something a that the new york city department of environmental protection is working to address. >> look at that. >> deputy commissioner angela lacotta showed how thesy is trying to keep the water out of the system with surfaces that can absorb more of it, in to the ground. >> the synthetic turf here is designed to hold about a million gallons of storm water a year. >> so, without these changes, all of that would have run over the regular old road and ended up in the drain.slsorecting rg to soak up run off and built massive tanks that can holds 10s of millions gallons s of sewage that would run in to the water. they have spent billions on the projects and have seen results. the combined ove

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