Invasive Species in Ireland Listen to our very own Prof. Joe Caffrey (@INVASBio) talking about the impacts of Japanese knotweed and other invasive species on Drivetime (@RTERadio1) last week 9th March. Just click on the link below and skip forward to Joes’ interview at 02:20:52.   http://www.rte.ie/radio/utils/radioplayer/rteradioweb.html#!rii=b9%5F10694897%5F83%5F09%2D03%2D2017%5F