Alien plants and animals cost Europe over $1.5 trillion in the last six decades, according to a new study, indicating the global economic impact of such species could be several times higher than ...

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.

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 ...