No one's sure how the South American water hyacinth invaded Africa's Lake Victoria but there's little doubt as to the damages it has caused. In 1989, the weed was spotted in the lake and seven ...

Singh suggested exploring water hyacinth, an invasive species that can be disastrous for the natural ecosystem, blocking out sunlight and reducing fish populations in the lakes and rivers where it ...

Singh suggested exploring water hyacinth, an invasive species that can be disastrous for the natural ecosystem, blocking out sunlight and reducing fish populations in the lakes and rivers where it ...