Invasive plants and trees were introduced to South Africa from as early as the 17th century for a range of commercial, subsistence and ornamental uses. Today, every area of the country has been ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils cling onto a fern plant as it is tossed onto a leafy green mat coating the surface of South Africa's Crocodile River. Those ...