The Causes of Water Pollution

Kimiko Lu

Outline1. Present situation 2. Natural causes Geological causes Biological causes3. Artificial causes Industrial pollution Agricultural pollution Domestic pollution4.Measures Education Laws Economics5.Conclusion

Natural Causes

• Biological Causes

• Geological Causes

Pathogenic microorganisms

Geologic activities

Artificial Causes

• Industrial pollution

• Agricultural pollution

• Domestic pollution

Industrial pollutions

Agricultural pollutions

Domestic pollutions

• Domestic sewage

Measures

• Public awareness

• Environmental laws

• Investment

Conclusion

• Natural causes

• Artificial causes

It is very important and necessary to preserve clean water resources instantly.

References:• Alumni (the Technical University of Delft, the Netherlands) Water pollution FAQ Frequ

ently Asked Questions. From: http://www.lenntech.com/water-pollution-faq.htm• Brix. H (1992) Use of Constructed Wetlands in Water Pollution Control: Historical Dev

elopment, Present Status, and Future Perspectives. Journal of Great Britain, Vol.30,No.8,page209-223. Retrieved from: http://mit.biology.au.dk/~biohbn/cv/pdf_files/Wat_Sci_Tech_30%20(1994)%20209-223.pdf

• Graham, L. E. & L. W. Wilcox. 2000. Algae. Capitulo 6. Cyanobacteria. From http://www.aulados.net/Botanica/Curso_Botanica/Cyanophyta/3_Cyanophyta_texto.pdf

• P. D. Abel& Taylor & Francis (1996-11-29) Water Pollution Biology. Retrieved form:http://books.google.ca/books?hl=zh-CN&lr=&id=1qkFs3VfIkYC&oi=fnd&pg=PR9&dq=water+pollution&ots=NhfB3EmKmF&sig=oGta_gmhwU_opAdjmUMe3dUVjc8&redir_esc=y#v=onepage&q=water%20pollution&f=false

• Rubin. K (Department of Geology and Geophysics, University of Hawaii) Sources of Water Pollution. Retrieve form: http://www.soest.hawaii.edu/GG/ASK/waterpol3.html

• Scheren. P.A.G.M. & H.A.Zanting& A.M.C.Lemmens (2000) Estimation of Water Pollution Sources in Lake Victoria, East Africa: Application and Elaboration of the Rapid Assessment Methodology. Journal of Environmental Management (2000) 58, 235—248Retrieved from: http://ac.els-cdn.com/S0301479700903220/1-s2.0-S0301479700903220-main.pdf?_tid=d5b13acd045428d7551604910b36be48&acdnat=1344275634_c62681d2887b824d4fb4c9147afddd14

Thanks for listening~