Atlas of Lighting is an interactive mapping tool that provides an integrated, scientific understanding of the dynamics of metropolitan areas around the world. The technology merges both qualitative and quantitative understanding of how cities operate and makes comparative analysis of city dynamics more accessible. The tool can be geared towards business analytics by helping companies identify hot and cold spots in urban environments and analyze social media for market trends. It can be used by researchers to visualize human activity and develop a deeper understanding of demographics. Additionally, it can be used to facilitate integrated, science-based policy making.