LONDON (Dow Jones)--Food harvests in Iraq and Syria are at risk from infestations of an invasive alien weed, the United Nations' food body said Tuesday, warning that the deadly plant could spread to ...

Have you found your sinuses acting up more than usual? Environmentalist’s fears are growing equally as fast as an alien invasive species of weed known as ragweed and, the North Coast provides an ...

Add Yahoo as a preferred source to see more of our stories on Google. A lot of people think of plants as pretty to look at, but defenceless and passive as far as organisms go. However, the many alien ...

The fight against invasive tree species is intensifying at the Melville Koppies, particularly with the alarming rise of the bugweed tree (solanum mauritianum). This category 1 invader is wreaking ...