Nyorai kupfuurira kweiyi ndima - Muna 1989, zvikepe zvinokweva zveCrowley zvakatanga kusvika panzvimbo yetangi rakakuvadzwa "Exxon Valdez" muPrince William Sound, Alaska. Kuputika kwemafuta kwe"Exxon Valdez"
rakanga riri rechipiri pakukura munhau yeU.S. (mushure me"Deepwater Horizon", 2010) uye Crowley akanga ari mutengesi mukuru wemidziyo yegungwa nevashandi vokuchenesa. Kuedza kudzivisa ngwavaira dzomunguva yemberi, Alyeska Pipeline Service Company yakaita chibvumirano naCrowley kuti ipe rubatsiro rwetangi uye basa rokuperekedza muValdez uye Prince William Sound vachishandisa zvikepe zvinokweva ne"unyanzvi hwakanakisisa huripo".