Greening New York's most iconic skyscraper

NEW YORK (Reuters) - The Empire State Building has long been a signature feature of Manhattan's skyline. But owners of the iconic edifice, planning a $1 billion initial public offering, hope to convince investors and tenants that it's what's on the inside that really counts.

Source: http://feeds.reuters.com/~r/Reuters/domesticNews/~3/3TcuC5nAcJA/us-usa-construction-retrofits-idUSBRE84505S20120506

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