Grayson Maashi of Whale Cove is learning about Arctic governance, climate change and himself while taking part in a voyage from Nuuk to Iqaluit this summer. The 16-year-old is aboard the Ocean Nova as part of a North-to-North expedition, which brought together 60 youth from Canada, Greenland and other Nordic countries to learn about different careers in conservation and science. The trip, which runs July 10 through 22, was organized by Students …