CORTINA D’AMPEZZO, Italy — In the main square of this town high in the Italian Alps that will host many of the Winter Olympic Games this month, there stands a sculpture of an elegant lady clutching a Dior handbag and skis. …The plastic statue is a fitting metaphor for the increasingly elaborate measures being taken to preserve a wintry reality that is disappearing. As climate change brings warmer weather, the snow that once blanketed Cortina comes less often. Ski lifts whir up mountainsides of bare rock and brown grass, but for the white strips of artificial snow on the pistes. …environmentalists describe a landscape now scarred by the felling of old-growth forests to make way for new infrastructure, and Alpine rivers depleted to feed snow cannons. …”Cortina is known as Queen of the Dolomites. But we should rename her the ‘Queen of Cement,'” says 70-year-old Luigi Casanova, director of a local environmental group, Mountain Wilderness…