Mai i te Hōngongoi 2014 ki te Hakihea 2015, ko Canfin te Kaitohutohu Matua mo te Huarere i te World Resources Institute (WRI), i tohua ko te roopu whakaaro tino whai mana i te ao mo nga take taiao, mo te whakarite i te huihuinga huarere o te ao ka tu ki Paris i te Hakihea 2015 (COP21
Ko te tikanga o te ture. Mo tenei take, ko ia ano te perehitini me Alain Grandjean te Komihana mo te putea auaha mo te āhuarangi, i whakahaua e te Perehitini o te Republic French.