Sun-Herald: Water woes infuse a whispered new word into the local lexicon: ‘Unsustainable’ This was the year an unwelcome whisper was heard in Southwest Florida; a hushed murmur nearly lost amid the searing static of water shortages and water restrictions, nearly muted by the pounding pistons of development. But not quite. In 2007, "unsustainable" slipped into the local lexicon, courtesy of sustained drought. Previously, such a profanity was dismissed as the …