This document discusses water sustainability challenges in commercial buildings and introduces Dolphin WaterCare as a chemical-free solution for cooling tower water treatment. Traditional chemical water treatment uses handling of chemicals which presents risks, while Dolphin WaterCare uses pulsed electromagnetic fields to control scale, corrosion and bacteria without chemicals. It provides benefits like water and energy savings, reduced operating expenses, and helps earn LEED points. Customers have seen increased efficiency and measurable economic and sustainability benefits compared to chemical treatment.