This page includes data that provide two perspectives on consumption of resources. The first data set is from the Renewable and Appropriate Energy Laboratory at the University of California, Berkeley, and measures the average household carbon footprint in tons of carbon dioxide emissions per year. The model includes direct emissions from consumption of fossil fuels as well as indirect emissions embodied in the production of electricity, water, waste, food, goods, and services. Carbon dioxide is a greenhouse gas that contributes to climate change. The second data set, from the Public Service Commission of Wisconsin, measures residential water consumption. The water consumption rate is the number of gallons of water sold for residential use per household.