(CNN) — 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 ...

The invasive water hyacinth has taken over a communal pond in a small village in northern India. All other plants have been pushed out. Invasive species are reshaping ecosystems and local people’s ...

Some of the plants planted by the volunteers and Jozi trails at the Florence Bloom Bird Sanctuary in Delta Park. Photo: Supplied A group of dedicated volunteers joined Jozi Trails for an invasive ...