text: <translate> Mu mwaka wa 2015 habaye impinduka zikomeye ku bijyanye nihindagurika ryibihe; niwo mwaka wa mbere aho ubushyuhe bwisi bwarenze dogere 1C hejuru yurwego rwariho mbere yinganda. <eng>2015 has been called a tipping point on climate change; the first year where global temperatures stayed at more than 1C above preindustrial levels. 