<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-1989, i-Exxon Valdez yashaya umhume ePrince William Sound, yachitha  <response>: ngaphezu kukawoyela ongahluziwe ogwini. Namuhla, impi phakathi kwamafilosofi okuthuthukisa nokulondoloza ibonakala empikiswaneni ephikisanayo ephathelene nokumbiwa kukawoyela e-Arctic National Wildlife Refuge naseMayini yasePebble ehlongozwayo. 