The Environmental Impact Calculator helps you calculate your Low Impact Living Index, which shows not only the carbon footprint but also energy, water, wastewater, trash, and stormwater runoff footprints of your home and lifestyle. It recommends projects based on your specific inputs that can save you money, reduce your environmental impact, or in many cases both at the same time!
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http://www.lowimpactliving.com/pages/impact-calculator/impact-calculator
