On a brisk winter morning, frequent business traveller, Ananya Dey checked into a hotel room bracing for a day packed with promising meetings. But first things first, she scribbled a note for the housekeeping staff to not change her towels every day. It takes 15 gallons of water to wash every bath towel. Ananya knew this and was determined to do her bit to check the colossal and avoidable waste.