What happens to landfills once they are closed?
After the landfill is closed, the degradation and settlement of the contents eventually reaches completion and stabilization. Upon stabilization, some landfill sites are used as parks, playgrounds, golf courses, or other facilities. Both John F. Kennedy and La Guardia Airports were built on landfills. 9. Are there products in my house that should not be sent to a landfill? Many of the products we use in our homes are considered hazardous materials. A hazardous material is one that is toxic or will corrode metal, burn, or explode. Materials like oven cleaner, batteries, motor oil, paints, varnishes, thinners, fluorescent bulbs, mercury switches, etc., should not be sent to landfills because they are considered hazardous. These materials should be taken to a hazardous waste drop-off site. If every citizen convinces him or herself that “my hazardous materials are so small they wont matter,” the total problem remains enormous. 10. What can be done to reduce the amount of trash in landfills