Chapter 1. Reindeer Husbandry in the Circumpolar North.- Chapter 2. Framing Adaptation to Rapid Change in the Arctic.- Chapter 3. 'Leaving no one behind' - sustainable development of Sámi reindeer husbandry in Norway.-Chapter 4. Sámi traditional reindeer herding knowledge throughout a year: Herding periods on snow-covered ground.- Chapter 5. Learning by herding - transmission of Sámi reindeer herding knowledge and skills.- Chapter 6. Ethics of knowledge production in times of environmental.- Chapter 7. Trends and Effects of Climate Change on Reindeer Husbandry in the Republic of Sakha (Yakutia).- Chapter 8. Comparative analyses of local historical and future climate conditions important for reindeer herding in Finnmark, Norway and the Yamal Nenets Autonomous Okrug, Russia.- Chapter 9. Loss of reindeer grazing land in Finnmark, Norway, and effects on biodiversity: GLOBIO3 as decision support tool at Arctic local level.- Chapter 10. The phenomenon of entrepreneurship in reindeer husbandry in Yamal: Assessment of the situation, paradoxes, and contradictions