Ramba uchiverenga ndima iyi - Sangano rehurumende dzepasi rose rinoona nezvekuchinja kwemamiriro okunze rakagadzwa muna 1988 neWorld Meteorological Organization neUnited Nations Environment Programme. Muna 1992, hurumende dzenyika dzakabvumirana paUnited Nations Framework Convention on Climate Change paEarth Summit muRio de Janeiro. Zviitiko zvakatevera zvave zviri Kyoto Protocol ya1997, Copenhagen Summit ya2009 uye musangano weParis wa2015
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