Answer:
Characteristics of a modem landfill
includes
(i) Methods to contain leach ate such as
lining clay or plastic liners.
(ii) Compaction 'and covering of
the waste to prevent it from being blown by wind.
(iii) Installation of a landfill
gas extraction system to extract the gas for use in generation of power.
The use of modem 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 consequently will prevent the necessary
transport of waste.
(iii) They prevent or reduce the
negative effects on the environment, as well as the risks to human health
arising from the landfilling of the waste.
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