An assessment of ocean acidification, presented at the UN Climate Change Conference in Warsaw in November 2013, starkly concluded that acidity is on track to rise 170 percent by the end of this century.Read more at http://news.mongabay.com/2014/0224-salisbury-ocean-acidifying-ten-times-faster.html#Oj8rHsqxgoT8J42c.99 An assessment of ocean acidification, presented at the UN Climate Change Conference in Warsaw in November 2013, starkly concluded that acidity is on track to rise 170 percent by the end of this century.