Experts say the monarch butterfly could very well go extinct in the next 20 years. "If we want to have monarchs migrate through the western U.S., as they have for centuries, sustained work is needed,” the Xerces Society wrote on its website.
A third of Irish bee species are threatened with extinction with bumblebee populations falling year-on-year due to removal of hedgerows and ditches, use of pesticides and insecticides and climate change.