GEF

Unit 5  |  Toward Sustainable Water Systems 122 GROWYOUR KNOWLEDGE The Ogallala Aquifer provides water for irrigation in a large area of the U.S. (see Water Concepts on page 115). Unfortunately, the water is being used faster than it can be replenished, and there is a serious risk of it running dry. In this activity, you will explore the challenges and solutions facing people who rely on aquifers. 1. Work with a partner to research how water from aquifers is used around the globe. 2. Plan andwrite a letter to farmers who rely onwater fromaquifers. In your letter, list at least three challenges created by the overuse of aquifers. Then offer at least one solution that might help farmers use water efficiently today while preserving it for future generations. 3. Read your letter out loud to the class. Essential Concept We have choices and tools to create awareness and strategies to respect and sustain local and global water resources. 5.1  Water Sustainability for Businesses and Agriculture In recent years, a wide range of businesses have responded creatively to higher water costs, stricter water pollution regula- tions, and the demands of their customers to prioritize water sustainability. In an encouraging development, businesses are waking up to the fact that intelligent water use is becoming an economic necessity as well as a means to make their business more competitive. Businesses have a range of motivations as they invest in water sustainability, including improving their