Being an EU project, INTERACT is part of the EU Polar Cluster, an initiative that brings together EU projects from both the ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as areas having a high latitude, long winters, short, cool summers,... More and Antarctica. The cluster merges a broad spectrum of research and coordination activities – ranging from the most up-to-date findings on permafrostPermafrost is frozen ground that remains at or below zero degrees Celsius (32 degrees Fahrenheit) for two or more years. It forms in regions where the mean annual temperature is... More and sea ice, from enhancing observation to improving predictions, and from networking research stations to coordinating access to icebreakers. The latest newsletter can be read on the EU Polar Cluster website.