Arctic Report Card 2015: Tracking recent environmental changes Surface Air Temperature Terrestrial Snow Cover Greenland Ice Sheet Sea Ice Sea Surface Temperature Tundra Greenness River Discharge Walruses in a Time of Climate Change Climate Change is Pushing Boreal Fish Northwards Community-based Observing Network Systems for Arctic Change Detection and Response Greenland Ice Sheet Surface Velocity

The Arctic Report Card (www.arctic.noaa.gov/Report-Card/) considers a range of environmental observations throughout the Arctic, and is updated annually. As in previous years, the 2015 update to the Arctic Report Card highlights the changes that continue to occur in both the physical and biological components of the Arctic environmental system.