What are 3 freshwater resource issues?

What are 3 ocean water resource issues?

Choose one fresh or ocean water resource challenge and describe in detail why the issue has become a problem and how human activities have contributed to the problem.

2 answers

http://www.google.com/search?hl=en&ie=ISO-8859-1&q=freshwater+resource+issues

http://www.google.com/search?hl=en&ie=ISO-8859-1&q=ocean+water+resource+issues
These links were a great source of information for this assignment. Thank you very much!