South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia ...

Yellow flag iris brightens in spring, but remember it is mildly invasive ... as some marginal and bog plants that work well when planted in the wet soil surrounding your pond.

Koya-ike pond in the city of Itami in Hyogo Prefecture ... to trap the nutrias after they were designated as an "invasive alien species" causing harm to the ecosystem. Native to South America ...