The Footprint Challenge is an internal corporate tool managers can use to recognize and reward innovative sustainability initiatives led by individual branches, stores, divisions, or offices. The Ecological Footprint is one of the worlds most ubiquitous and rigorous sustainability indicators, measuring how much nature is required to produce the goods and services we consume. The Footprint Challenge is a friendly competition for the lowest Ecological Footprint per employee. It is a way to encourage state of the art methods to reduce energy, water, and materials consumption and promote green purchasing, recycling, and efficiency. Businesses that accept the Footprint Challenge benefit by cutting costs, demonstrating their commitment to green principles, and reducing their impact on the Earth.