Water, water everywhere
Links for the actvity:
1. http://news.bbc.co.uk/1/hi/sci/tech/5084234.stm
5. http://www.data360.org/temp/dsg757_500_350.jpg and this map http://worldmapper.org/images/largepng/324.png
Tips on saving water: http://www.waterwise.org.uk/pages/quick-tips.html
