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 leaving ...

Volunteers joined Jozi Trails at Florence Bloom Bird Sanctuary to remove invasive Verbena bonariensis, a harmful weed threatening indigenous grassland plants and local biodiversity.

Biological invasions are one of the major drivers of restructuring and malfunctioning of ecosystems. Invasive plant species not only change the dynamics of species composition and biodiversity but ...

Regular users of Johannesburg’s hiking, running and cycling trails may start to notice subtle changes along these green ...