Rubuta ci gaba don wannan sakin layi - Canjin yanayi ya zama abin da aka tsara a kan tsarin siyasa na duniya a farkon shekarun 1990, tare da taron Majalisar Dinkin Duniya kan Canjin Yanayi da aka shirya a kowace shekara. Ana kuma kiran waɗannan taron shekara-shekara taron Jam'iyyun (COPs). Babban taron COP na tarihi shi ne yarjejeniyar Kyoto ta 1997, taron Copenhagen na 2009 da taron Paris na 2015
Ka yi haƙuri. Da farko an dauki Kyoto a matsayin mai alkawari, amma a farkon shekarun 2000 sakamakon sa ya zama abin takaici. Copenhagen ta ga babban yunƙuri na wuce Kyoto tare da ƙaƙƙarfan ƙaƙƙarfan alkawura, duk da haka ya gaza sosai. An yi la'akari da Paris a matsayin nasara, duk da haka yadda za ta kasance mai tasiri a rage yawan dumamar yanayi na dogon lokaci ya kasance a gani.