See James Ogwang's full Q&A » Ogwang imported another invasive species — a voracious South American weevil and natural enemy of water hyacinth. Ogwang tested to see if his new tiny imports ...

Singh suggested exploring water hyacinth, an invasive species that can be disastrous for the natural ecosystem, blocking out sunlight and reducing fish populations in the lakes and rivers where it ...

Singh suggested exploring water hyacinth, an invasive species that can be disastrous for the natural ecosystem, blocking out sunlight and reducing fish populations in the lakes and rivers where it ...