It is a typical scenario. A man made problem, turning into a major catastrophe or having the potential to become one. In the end, a few dedicated environmentalists are left to lead efforts at picking up pieces and healing the wounds, so that the effects are minimized on the rest of us earthlings. The case of the invasive alien species of iguanas brought into Saint Lucia about ten years ago is one such scenario. The threat; that they have the potential to cross breed with our native iguana and potentially decimate the species, having escaped into the wild.
Read more: The Search for IAS