Comment: Nor are we using our fresh water wisely

(See in situ)


Nor are we using our fresh water wisely

If we are to maintain a large population, we should work with the natural ecosystem to allow sustainability.

This is just one example of how it can be done profitability.
http://www.youtube.com/watch?v=M93HZDoqhsE

This system has been in operation for 20 years will no ill effects. It uses duckweed, natural beneficial bacteria (nitrogen cycle) to clean water, produce fish and irrigate fertile land for agriculture. IMHO it beats flushing waste water into rivers and streams.