Ocean plastic plague threatens seabirds Chris Wilcox Britta Denise Hardesty Erik van Sebille | 1st September 2015 Already 60% of seabird species have plastic in their guts, often as much as 8% of their body weight. And with ocean plastic increasing exponentially, that figure will rise to 99% by 2050, threatening some birds' survival. Unless we act. Stuck in the Antarctic ice we set out to study Erik van Sebille | 13th January 2014 Antarctica is a desolate place. That much we know, but nothing prepares you for it until you actually get there, writes Erik can Sebille, recently escaped from an icy imprisonment.