This document discusses water scarcity issues and potential solutions. It notes that water scarcity affects over 2.8 billion people annually and more than 1.2 billion lack access to clean drinking water. Causes of water scarcity include overuse, pollution, drought, and lack of access. Effects are lack of drinking water, hunger, disease, and poverty. Agriculture, hospitality, households, and manufacturing exploit water resources. Proposed solutions include reducing use, reusing and recycling water, improving farming and sewage practices, and advancing conservation technologies. The business plan proposes a sensor faucet product that automatically controls water flow to save water in public buildings.