“NOAA’s 2021 Arctic Report Card documents the numerous ways that climate change continues to fundamentally alter this once reliably-frozen region, as increasing heat and the loss of ice drive its transformation into a warmer, less frozen and more uncertain future.  This year’s Arctic Report Card is the 16th annual volume of original, peer-reviewed environmental observations and analysis that documents rapid and dramatic shifts in weather, climate, terrestrial and oceanic conditions in the circumpolar region. Compiled by 111 scientists from 12 nations, it was released today during a virtual press conference hosted by the American Geophysical Union during its fall meeting in New Orleans, Louisiana.  “The Arctic Report Card continues to show how the impacts of human-caused climate change are propelling the Arctic region into a dramatically different state than it was in just a few decades ago,” said NOAA Administrator Rick Spinrad, Ph.D. “The trends are alarming and undeniable. We face a decisive moment. We must take action to confront the climate crisis.” …