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,
Estimated number of civilian guns per capita by country Estimated number of civilian guns per capita by country This is a list of countries by estimated number of privately-owned guns per 100 persons. The "Small Arms Survey 2017" provides estimates of the total number of civilian-owned guns in a country. It then calculates the number per 100 persons. This number for a country does not indicate the percentage of the population that owns guns. All the numbers in the main column of the table below are from the annex table of "Small Arms Survey 2017." The briefing paper for it says: "Numbers provided here include all firearms in civilian