She has postgraduate qualifications in biology and law and has worked in academia for over 40 years, most recently as Professor of Environmental Law at Aberystwyth University.
Mae ganddi gymwysterau ôl-raddedig mewn bioleg a’r gyfraith ac mae wedi gweithio yn y byd academaidd ers dros 40 mlynedd, yn fwyaf diweddar fel Athro Cyfraith Amgylcheddol ym Mhrifysgol Aberystwyth.