text: <translate> Umwaka wa 2015 wafatwaga nkaho ari wo watangiye kugaragaza ingaruka zikomeye zimihindagurikire yibihe; ni wo mwaka wa mbere ubushyuhe bwIsi bwari hejuru ya dogere selisiyusi 1 ugereranyije nigihe cyo hambere 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. 