Of all the oceanic issues Greens senator Peter Whish-Wilson has waded into, shark mitigation took the biggest personal toll. The federal senator for Tasmania recalls with horror arriving in Perth ahead of a parliamentary inquiry he was chairing into balancing human safety with marine conservation. Advertisement AdvertisementAdvertisement AdvertisementSenator Whish-Wilson took the seat when renowned environmentalist Bob Brown retired from parliament in 2012. Senator Whish-Wilson has been a prominent advocate for Vision Australia. Senator Whish-Wilson famously shouted criticisms at Anthony Albanese during a doorstop.