Big Ideas | Page 72

Grades 9–12 Overview Our society relies on natural systems and a complex infrastructure Our society relies on natural systems and a complex infrastructure to bring us the water and power we need in order to live. By exploring the environmental, economic, political, and social consequences of our individual and collective decisions about water and power, students will understand the impacts of their own actions regarding these vital resources. They will also be able to assess different strategies for conserving water and power and for sourcing them more efficiently. 72 BIG IDEAS | Grades 9–12 | SAN FRANCISCO PUBLIC UTILITIES COMMISSION