Dead planet, living planet

Percentage of Wastewater Treated

Istanbul Population Millions

...and after

100

10

80

8

60

6

4

40

2

20

Fecal coliform at the water surface Thousands of coliform per millilitre

0

0

1987 1990

1995

2000

2004

1 0,1 0,01 10 100 1 000 10 000

Inner estuary Outer estuary

0

1970 1985

2000 2005

10 12 Dissolved oxygen at the water surface Milligrams of oxygen per litre Inner estuary Outer estuary

2 0 4 6 8

Sources: Coleman, H., M., et al., Restoration of the Golden Horn Estuary (Halic), 2009; Alpar, B., et al., Environmental and Hydrological Management of the Golden Horn Estuary, Istanbul, 2005, Yerliyurt and Hamamcioglu , Entertainment and Culture Base Marketing of Cities in the Unifiyng World; Golden Horn Culture Valley Project, Istanbul, 2005.

1970 1985

2000 2005

47