Why is it important to find new sources of fresh water and to conserve the sources now available?

I am doing a paper on decreasing water pollution and I need help with reliable resources (not Wikipedia or other random sources) for the topic.

i'm thinking of testing the pH levels of various water sources to find which one has the closest level to 7. the water sources i'm thinking of using are: tap water poland spring bottled water pool water (from my local community center pool) water from...

Can someone please help me find a link or a few links that show how many liters,gallons,mililiters, etc of estrogen or ethinyl estradiol is in our water sources? It can be in our tap water such as from sinks from any state or information from water in...

I can find information on fossil water such as this: http://en.wikipedia.org/wiki/Fossil_wate… But I'd like to know what percentage of total water usage by people--either residential, industrial, or farming uses--comes from fossil water sources...

Could you list the major sources of fresh water in California and how is the water in the state used and how is it transported.. if not what websites could i go to to find this ...show more

Can you tell me about this large reservoir just east of Mexico City, apparently called Lago Nabor Carrillo? While reading about pre-columbian American cultures I got off on a few tangents and ended up researching the history of Lake Texcoco and its subsequent...