Download Lecture (2) Topic (1): Health impact and environmental:

Lecture (2) Topic (1): Health impact and
environmental:
 waste is not a threat to the environment if
carefully collected and treated.
 But uncollected wastes:
 Provide a breeding ground for vectors.
 Create gaseous or liquid emissions.
 Leachate from landfills can pollute
groundwater.
 Contribute to groundwater pollution problems.
 Runoff may carry litter and dissolved waste to
bodies of surface water.
 solid waste can cause fire.
 air pollution.
 contamination of drinking water supplies.
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Spread of human disease.
Pollution of surface and subsurface waters,
Unpleasant odors.
Gas explosions.
 Solid waste contains human pathogens.
 Create greenhouse gas emissions and
other air pollutants.
 Damage ecosystems
Topic (2): Economic and social impact:
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Visual impacts.
The impact on residential property values.
unpleasant odour.
The dirty surroundings.
 Breeding of mosquito, worms, insects and
flies.
 Release of smoke and poisonous gases (rise
to safety problems).
 Discourages tourism and other business.
Quiz
Quiz (1): Which of the following is health and
environmental impacts of waste?
A. Contribute to groundwater pollution problems.
B. solid waste can cause fire.
C. air pollution.
D. contamination of drinking water supplies.
E. All the above
Quiz (2): …………. from landfills can pollute
groundwater.
A. Breeding.
B. Emission.
C. Release.
D. Leachate.
E. Not one of above.
Quiz (3): Which one of the following is economic
and social impact of solid waste?
A. Visual impacts.
B. unpleasant odour.
C. Pollution of water.
D. A & B
E. Air pollution.