The prefix un- as in “unfortunately” (line 04) and “unequal...
http://www.theguardian.com/news/2016/feb/10/weatherwatch-ravilious-global-warming-limit-climate-change-uneven- arctic-europe-us
http://www.theguardian.com/news/2016/feb/10/weatherwatch-ravilious-global-warming-limit-climate-change-uneven- arctic-europe-us