The melting Arctic ice

Open water in early April – this is the news of the day

Open water 04 18 2016

Here is the leading edge of open water. 04 09 2016

The melting of the ice is coming a month early. A month early compared with WHAT, I wondered allowed. I wonder how a similar picture would have looked in, say, the 1970's.

We don't have pictures from the 70's, but we can compare with 2013

Arctic Ice 04 08 2013 and 04 08 2016