As the world observes the UN-promoted international water week, Africa's largest fresh water body is struggling to combat an invader from South America.
The Water Hyacinth has clogged most of Lake Victoria's shoreline on Kenya, Uganda and Tanzania.
Kenya has launched an ambitious project to remove the weed, which is causing disastrous effects for millions of people who depend on the body of water.
Al Jazeera's Mohammed Adow reports from Kenya.
Source: Al Jazeera