There are other ideas being floated around, such as desalination plants. However, recently there were some underground fresh water sources found near Sydney which has reduced the liklihood of a plant being built.
Actually, warm air is kind of absent in some areas. Goulburn, one of the most affected cities (it has run out of fresh water) regularly gets down to the low single figures in Celsius.
If I recall correctly, the average person uses about 250 - 400 litres a day of water, so 5000 litres really isn't going to do that much. The simple fact is we waste water at a phenomenal rate. Smarter ways are becoming more widely known. The following link takes you to a website that has a lot of interesting info and resources. Thanks for your interest in the Australian water situation (and I'm not paid by anyone to promote water conservation
) Save Water


