While you’re pulling on your boots in the parking lot of any Tahoe ski resort or trailhead, look around for a two-toned blue sticker with that familiar, three-word call to action: “Keep Tahoe Blue.” ...

You’ve seen it before: The iconic Keep Tahoe Blue sticker is plastered on car bumpers, chair lifts, cash registers (when those were still around) and coolers the world over. It’s been translated into ...