Sea ice hits record lows at both poles. What does it mean?

https://www.bostonglobe.com/metro/2016/11/22/sea-ice-extent-hits-record-lows-both-north-south-poles-what-means/F4jVvYvDzNHwINckkM3wVL/story.html?utm_source=MIT+TR+Newsletters&utm_campaign=2e664efd08-newsletters-the-download&utm_medium=email&utm_term=0_997ed6f472-2e664efd08-153856085&goal=0_997ed6f472-2e664efd08-153856085&mc_cid=2e664efd08&mc_eid=e25735476a