Solid waste policy in the United States produce large amounts of waste in small areas. For example, EPA reports that a single dairy cow produces approximately 120 pounds of wet manure per day equaling to that of 20-40 people. The main problems of animal waste mismanagement are environmental, especially water pollution. Industrial waste consists of a significant amount of solid waste. EPA reported that each year United States industrial facilities generate and dispose of approximately 7.6 billion tons of industrial solid waste based on 1980s figures. This figure includes waste generated from 17 industrial manufacturers of organic chemicals, inorganic chemicals, iron and steel, plastics and resins, stone,
Food waste in the United Kingdom said of the five projects: "These projects are truly ground-breaking. Between them, they demonstrate how anaerobic digestion can help the UK efficiently meet the challenges of reducing carbon emissions and improving sustainable food production." The single largest producer of food waste in the United Kingdom is the domestic household. In 2007, households created 6,700,000 tonnes of food waste – accounting for 19 per cent of all municipal solid waste. Potatoes account for the largest quantity of avoidable food disposed of; 359,000 tonnes per year are thrown away, 49 per cent (177,400 tonnes) of which are untouched. Bread slices account for