How Ski Towns Turn Wastewater Into Snowy Slopes
Big Sky, Montana, is looking to become one of a handful of cities to tackle its water shortage problem through snowmaking with sewage-treated water.
Viewfinder: Heavy Smog Blankets New Delhi
Indian visitors walk through the courtyard of the Jama Masjid mosque amid heavy smog in the old quarters of New Delhi on November 8th, 2017.
