<prompt> Nyora kupfuurira kweiyi ndima - Muna 1989, Exxon Valdez yakarova gungwa muPrince William Sound, ichidurura  <response>: kupfuura mafuta asina kugadzirwa ari pamusoro pemhenderekedzo yegungwa. Nhasi, kurwisana kuri pakati pemifungo yokusimudzira nokudzivirira kunooneka munhaurirano ine gakava pamusoro pokucherwa kwemafuta muArctic National Wildlife Refuge uye mugodhi unonzi Pebble Mine. 