text: <translate> Mu mwaka wa 2015 hagiye habaho ihinduka rikomeye mu guhinduka kwikirere, umwaka wa mbere ubushyuhe ku isi bwagumye buri hejuru ya 1C hejuru yibipimo byimbere 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. 