Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Te whakawhiti: Ka whakaputahia te urea i runga i te tauine ahumahi: I te tau 2012, ko te kaha whakaputa o te ao e tata ana ki te 184 miriona tana.  Pātai: He aha te tau ka tū ai tēnei?
Ko te tau 2012