A research team has calculated that the Arctic could soon be ice-free during the month of September for the first time since records began, and it could happen as soon as this year. Sometime between 2035 and 2067, the Arctic could be consistently free of ice in September, according to the study published in the scientific journal Nature Reviews Earth & Environment. The researchers, led by Alexandra Jahn from the University of Colorado in Boulder in the United States, explain that individual events with high ice loss, such as unusual warmth over several weeks, could lead to an ice-free Septembe…