The article is “How predictable is the timing of a summer ice-free Arctic?” by A. Jahn, J.E. Kay, M.M. Holland, and D.M. Hall.

Write a 500-600 word essay about the article including comments on at least three of the following:

The main idea/thesis of the article.
Some results and conclusions.
Anything you found confusing or contradictory.
Your reaction to the article (e.g., quality of research, impact of results, etc.)