Causes:
-The decrease of trees in Surabaya done by deforestation, illegal logging by human
- Human Stupidity
-Some by Mother Nature itself (Raining and natural disasters)
-Global Warming-Climate Change
-Littering happened everywhere

Effects:
-Ruining the Human Race
-Destroyed Habitat
-Less Population
-No Shelter And Daily Needs
-Infectious Disease
-Sea Level Rising

Solutions:
-Don't Cut More Trees
-Make A Strict Law
-Tecnology Education For Everybody
-No Littering

Biobliography:
-http://library.thinkquest.org/03oct/00758/en/disaster/flood/prevention.html
-http://answers.yahoo.com/question/index?qid=2008082903445aAAalED
-http://ipsnews.net/news.asp?idnews=lp1520