Tuhia he haere tonu mō tēnei wāhanga - I te tau 1989, ka pā te "Exxon Valdez" ki tētahi kōhatu i te Prince William Sound, ka rere
nui ake i te hinu raw i runga i te takutai moana. I tenei ra, ko te pakanga i waenga i nga whakaaro o te whanaketanga me te tiaki ka kitea i roto i te tautohetohe tautohetohe mo te keri hinu i te Arctic National Wildlife Refuge me te Pebble Mine kua whakaarohia.