TROMSØ, Norway — Scientists from 19 countries are embarking on a year-long expedition to the Arctic, the longest project of its kind, to better understand global climate change. The icebreaker Polarstern is preparing to set sail from Tromsø in northern Norway, allowing hundreds of rotating researchers to spend the next year close to the North … Continue reading An Arctic expedition plans to spend a year in ice to investigate ‘epicenter of climate change’