Lake Naivasha, northwest of Nairobi, Kenya is becoming increasingly unnavigable. Water hyacinth, the world’s most widespread invasive species, is blanketing the lake, choking its fish and ...

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 ...

The East African Journal of Environment and Natural Resources estimated in a 2023 study that the invasion of water hyacinth in Kenyan lakes — including Africa's largest lake, Lake Victoria — has led ...