This week the US government released their own review of the climate, including the current state of play and predictions for the future. They conclude that climate change is happening now, affecting lives today, and not just something to worry about 20+ years in the future.
The report website is very comprehensive and well-written, and I’m not going to reproduce it here. The section on Alaska, complete with interactive photos and charts, is relevant to permafrost research across the whole northern hemisphere.