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"It's ten years since the start of construction of the green roof on top of the big River Rouge plant. Kevin described it in TreeHugger in 2004: \"The 10.4 acre sedum roof insulates the building, provides a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/fords-giant-green-roof-started-ten-years-ago-how-things-have-changed.html>