bibliography

- www.wikipedia.com
- world book encyclopedia-chicago -210303.
- make it work, weather -21949.
- floods -211490.
- climate change -211586.
- www.fema.gov./kids/floods.htm
http://www.diariooccidente.com.co/noticias_colombia73129.html
http://www.youtube.com/watch?v=DW6mB-030m4
http://www.youtube.com/watch?v=wOn2e36SO5Q&feature=related