<prompt> Pedzisa mashoko anotevera: Muna 1969 pakabuda mafuta muSanta Barbara muSanta Barbara Channel, pedyo neguta reSanta Barbara muSouthern California. Yakanga iri kudonha kukuru kwazvo kwemafuta mumvura dzeUnited States panguva iyoyo, uye zvino inogara yechitatu pashure peDeepwater Horizon ya2010 uye 1989  <response>: Exxon Valdez inodonha. Chinoramba chiri kudururwa kukuru zvikurusa kwamafuta kwakaitika mumvura dzeCalifornia. Kutsamwiswa kwevanhu kwakakonzerwa nokudeuka kwemvura, uko kwakakurukurwa zvikuru nevanobudisa nhau muUnited States, kwakaguma nemitemo yakawanda yezvakatipoteredza mumakore mashomanana akatevera, mitemo inoumba mitemo nemitemo yezvemagariro ezuva ranhasi muUnited States. 