Water Footprint calculator

Hi there, I came acroos this beautiful app on National Geographic website. Hope you all will like it, http://environment.nationalgeographic.com/environment/freshwater/change-the-course/water-footprint-calculator/ They have also quoted on the website that : The average American lifestyle is kept afloat by about 2,000 gallons of H2O a day—twice the global average. Its a must read page ....