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Disappearing glaciers and missing snow in mountain regions are some of the most immediate signs of global change today. In this issue, we focus on the broader changes in mountains and how they affect people living both within and far away from their peaks and valleys.
Climate action clearly needs greater ambition in the face of increasing physical, biological and social impacts. However, it is important to acknowledge successes, including safeguards that protect action so far, and there are initiatives being implemented across scales that are effective.