Landfills have a bad smell and look bad, therefore are usually located far away from where people live.
Once the waste is crushed into very small pieces, it is buried, but without oxygen, a dangerous gas called methane is created. This process is called anaerobic digestion. In some countries, the methane from landfills is used to generate energy.
Large landfills in the United StatesEdit
Other large landfillsEdit
- "Republic Services Roosevelt Regional Landfill". Republic Services. Retrieved 9 February 2014.[permanent dead link]
- "Denver Arapahoe Disposal Site (DADS) Landfill". Waste Management. Archived from the original on 26 May 2014. Retrieved 9 February 2014.
- "Columbia Ridge Recycling and Landfill". Waste Management. Retrieved 9 February 2014.
- "Pine Tree Acres Landfill". Waste Management. Retrieved 8 February 2014.