Topic 5
Pollution Management
5.1 Nature of Pollution
Pollution
• ‘The contamination of the Earth and atmosphere
to such an extent that normal environmental
processes are adver...
Point Source Pollution
• Discrete sources of pollution which can be
pinpointed on a map
• May be more easily treated and m...
Non-point Source Pollution
• Dispersed sources of pollution
• Not possible to pinpoint a single origin
• Not easily manage...
Major Sources of Pollution
domestic and
commercial waste
(9%)

demolition and
construction waste
(8%)

sewage sludge (8%)
...
Effects of Pollution
•
•
•
•

Death in serious cases
Decreased level of public health
Reduced water quality and availabili...
Upcoming SlideShare
Loading in …5
×

Summary of topic 5.1

855 views

Published on

IB Environmental Systems and Societies

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
855
On SlideShare
0
From Embeds
0
Number of Embeds
195
Actions
Shares
0
Downloads
15
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Summary of topic 5.1

  1. 1. Topic 5 Pollution Management 5.1 Nature of Pollution
  2. 2. Pollution • ‘The contamination of the Earth and atmosphere to such an extent that normal environmental processes are adversely affected. Polluted elements are disagreeable, toxic, harmful and/or objectionable.’ • It may be: – – – – Natural (e.g. volcanoes) Anthropogenic (e.g. release of sewage) Deliberate or accidental May harm the quality of air, water or soil
  3. 3. Point Source Pollution • Discrete sources of pollution which can be pinpointed on a map • May be more easily treated and managed, but may be have a huge impact on the local environment – Chernobyl disaster, 1986 – Bhopal disaster – A single sewage outfall
  4. 4. Non-point Source Pollution • Dispersed sources of pollution • Not possible to pinpoint a single origin • Not easily managed – Car pollution in a city – Numerous industries in a single area
  5. 5. Major Sources of Pollution domestic and commercial waste (9%) demolition and construction waste (8%) sewage sludge (8%) mining and quarrying (27%) dredging waste (11%) industrial waste (17%) agricultural waste (20%)
  6. 6. Effects of Pollution • • • • Death in serious cases Decreased level of public health Reduced water quality and availability Reduced soil quality It is important that sources of pollution are tackled rather than the symptoms http://www.youtube.com/watch?v=iyckJOd9A es&list=PL51D60810437D8150

×