HARTBEESPOORT, South Africa — 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 weevils ...

The weevils, which have been used effectively elsewhere in the world to fight water weeds, are now leading South Africa’s charge against the life-sucking plants threatening ecosystems in at ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.

South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia minima, an alien species of aquatic plant native to South America that is chok ...

The weevils, which have been used effectively elsewhere in the world to fight water weeds, are now leading South Africa’s charge against the life-sucking plants threatening ecosystems in at ...