http://www.mediaworkshop.org/hses/gowanus/c1/- ...phytomediation... Scientist found that Poplar trees, absorbs lead, arsenic, Zinc and otehr metals through process called phytoextraction... Black Willow trees prevent soil erosion.

http://www.hudsonriver.org/sources.htm- Sources and loading of Toxic Substances to NY Harbor.

http://www.bnl.gov/wrdadcon/publications/articles/Venice2003-stern.pdf - existing technology to decontaminate sediment. Final product becomes a source for revenue. Bricks, Soil, Aggregates, Tiles, are some examples of by products created from decontaminated sediment.

http://www.bnl.gov/wrdadcon/publications/ articles/WEDAPaperBG.PDF -.. more on decontaminating sediment

http://www.solenagroup.com/html/home.asp- ...The Solena thermal depolymerization/gasification process depends upon extraordinary heat-upwards of 5,000° C. Yet, no combustion is involved. The technology centerpiece is a plasma gasification/vitrification reactor that can dissociate organic matter and vitrify inorganics, but never melts itself. Into this system goes just about every form of noxious and hazardous waste. Yet, what comes out is an extremely valuable fuel, completely innocuous slag, and no harmful emissions. Best of all, the energy that goes into Solena's plant is outstripped by the energy produced. By a factor of 4 to 1.