<prompt> Tlatša polelwana e latelago: Ka 1989, Exxon Valdez e ile ya thula lekgwara la ka Prince William Sound,  <response>: go tšhologa ga oli e sa hlwekago ka godimo ga lebopo. Lehono, ntwa magareng ga difilosofi tša tlhabollo le tša pabalelo e bonwa ngangišanong e tsošago dingangišano mabapi le go epša ga oli ka go Arctic National Wildlife Refuge le moepong o rulagantšwego wa Pebble Mine. 