Rick Fedrizzi, President, CEO & Founding Chairman, U.S. Green Building Council

By now, most of you know the cautionary tale of the old railroad barons, those filthy rich guys who, nearly a century ago, made the tragic mistake of thinking they were in the business of trains.

Can you imagine how things might have gone differently for those complacent and ridiculously misguided yahoos had they realized they were actually in the people-moving business? That's why I continue to get frustrated when people try to put narrow, self-important labels on the green building movement.

Read Rick Fedrizzi's entry on Huff Post Green.