Without public transportation systems, the annual impact of American households would include an additional 102.2 billion vehicle miles traveled, 5.3 billion gallons of gas, and 37 million metric tons of CO2 emissions.
Since 2001 the University of Michigan’s Center for Sustainable Systems has developed a growing set of factsheets that cover topics including energy, water, food, waste, buildings, materials, and transportation systems. Each factsheet presents important patterns of use, life cycle impacts and sustainable solutions. They are designed to inform policymakers, business professionals, students and teachers. The factsheets are peer-reviewed and updated annually.
Sustainability Indicators
Energy
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Material Resources
Food
Water
Built Environment
Mobility
Climate Change
