An underwater 'predator-proof fence' is successfully protecting one of Auckland's rarest and most important freshwater species from the impacts ... and the spread of invasive plants and animals - have ...

South Africa is unleashing weevil beetles in a bid to fight off the sprouting growth of salvinia minima, an alien species of aquatic, floating fern that grows on the surface of freshwater bodies.

The arrival of Lenten roses often coincides with the beginning of Lent (the 40-day season that many Christians observe before Easter), which earned the plant its nickname ... You want your table ...