There are approximately 27 000 indigenous species in South Africa and 9 000 foreign plant species that have been introduced over the past few centuries. Of these 9 000 exotic or alien introductions, ...

In a water-scarce South Africa, alien plants drink up to 6% of our freshwater annually. A new technology now proves the massive water savings from clearing them, potentially turning a costly problem ...

Effective management of invasive alien vegetation is one of the most critical ways to protect South Africa’s natural water sources. According to WWF South Africa’s Water Gains Calculator Tool, in 2025 ...

The spread of species beyond their native habitat is a human-made environmental change on a global scale. Among vascular plants, over 16,000 species have now permanently settled in foreign countries.

Add Yahoo as a preferred source to see more of our stories on Google. Alien plants and animals have cost Europe over $1.5 trillion, study finds Alien plants and animals cost Europe over $1.5 trillion ...

The lack of a standardised method to explicitly link water benefits to invasive alien plant removal left a significant opportunity untapped, according to the Roundtable on Sustainable Biomaterials, ...

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 ...