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This summer, the 2012 Olympics are taking place in London at Olympic Park. The newly created facilities engulf approximately 111 acres that were formerly brownfields. The site contained more than 220 buildings along with mounds of rubble, trash, and demolition materials from World War II. Also found on-site were chemicals, glue and industrial contaminants that affected the soils and groundwater.

It took three years to transform the industrial blight into the beautiful new parkland habitat. Cleanup processes included bioremediation, soil washing, chemical and geotechnical stabilization of soils, recycling of demolition materials, and utility relocation. Additional efforts at the site involved wetlands and bioswale creation, encouragement of biodiversity in the plant and animal life, and construction of sustainable infrastructure. You can read about the efforts in much more detail in this article in Civil Engineering Magazine.