A lot of people think of plants as pretty to look at, but defenseless and passive as far as organisms go. However, the many alien species—or "monster plants"—around us show we should never ...

Our park ponds typically hold good numbers of mallards, and urban grassy areas often hold concentrations of geese. In the UK, Canada Geese are an abundant and widespread alien species, well known for ...

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.

The severe global threat posed by invasive alien species is underappreciated, underestimated, and often unacknowledged. According to a major new report by the Intergovernmental Platform on ...

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 ...