Energy Efficiency
Energy efficiency is the process of using less to produce the same or increased functions. Since cities use approximately 75% of energy worldwide, it is critical that energy efficiency is part of any sustainable strategy.
Calculators:

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ENERGY STAR Cash Flow Opportunity Calculator
Helps decision-makers address three critical questions about…
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Building Retrofit: Simplified Lighting Energy Savings Estimator
Estimates energy savings from lighting retrofits

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OpenEco.org: Energy Performance & Greenhouse Gas (GHG) Emissions Tracking Tool
Online tool for energy and GHG…


