Whakakiia te rerenga e whai ake nei: I te tau 1989, i pā te "Exxon Valdez" ki tētahi kōhatu i Prince William Sound,
he nui ake i te hinu raw i te rohe o te takutai. 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.