1. Lecture (2) :Health impact and environmental:

2. Lecture (2) :Health impact and environmental:
Lecture (2): Lecture objectives:
By the end of this lecture students should be able to:
To know the health and environmental impact of solid waste.
To know the Economic and social impact of solid waste.

3. Lecture (2) Topic (1): Health and environmental impact:
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.

4. 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.

5. Spread of human disease.
Pollution of surface and subsurface waters,
Unpleasant odors.
Gas explosions.

6. Solid waste contains human pathogens.
Create greenhouse gas emissions and other air pollutants.
Damage ecosystems

7. Topic (2): Economic and social impact:
Visual impacts.
The impact on residential property values.
unpleasant odour.
The dirty surroundings.

8. Breeding of mosquito, worms, insects and flies.
Release of smoke and poisonous gases (rise to safety problems).
Discourages tourism and other business.