What are the basic characteristics of a modern landfill site. List any three and also mention the reasons for their use.

Explanation

Charactristics of modern lnandfill includes
(i) Methods to contain leachate such as lining clay or plastic liners.
(ii) Compaction and covering of the waste to prevent it from being blow by wind.
(iii) Installation of a landfill gas extraction system to extract the gas for use in generation of power.
The use of modern landfill sites must be promoted due to the following reasons
(i) They stimulate the waste prevention via recycling and recovery of waste.
(ii) They create a uniform cost for the disposal of waste which consequntly will prebent the unecessary transport of waste.
(iii) They prevent or reduce the negative eftects on the environment, as well as the risks to human health arising from the landfilling of the waste.