- U.N. climate change draft sees risks of irreversible damage | Climate change may have "serious, pervasive and irreversible" impacts on human society and nature, according to a draft U.N. report due for approval this week that says governments still have time to avert the worst. http://www.reuters.com/article/2014/10/26/us-climatechange-report-iduskbn0if0c720141026 4 comments worldnews