Plenty Magazine: The wind in your hair. Virgin snow at your feet. Clean mountain air and glorious vistas. Skiing is good, clean winter fun. It’s frolicking in Mother Earth’s playground. It’s man communing with nature. And it’s a threat to the very thing that makes it all possible: cold, snowy winters. With its high-speed chair lifts and energy-hogging snowmaking operations — all in the interest of enjoying the boreal winter — the effect of the ski industry on climate change can’t be discounted. Its …