For the mining industry in the Yukon, dealing with a rugged landscape and climate extremes has always been a costly part of doing business. Historically the industry adapted to known climate extremes, through engineering response, by adjusting operations in concert with the annual seasonal cycle, and through development of flexible but robust transport systems. It was generally, and not unreasonably, assumed that prevailing climate conditions were an immutable fact of life, and the climate future would be very much like the past. The symptoms of a changing climate in the Yukon however, have recently been manifest in increased precipitation, permafrost degradation, increased incidence of extreme events, and shifting seasons. Consequent events such as flooding and soil liquefaction have the potential to add to the costs of mining by disrupting mine operations and transportation. Historically the dominant vulnerability of the Yukon mining industry has been dependence on mineral prices and the health of the industry fluctuates with global mineral prices (a fact underlined when, in the course of this project, mineral prices eased, employment in the industry declined, and one of the three operating hard-rock mines closed temporarily). Changing climatic conditions could increase operating costs and could potentially exacerbate vulnerabilities associated with exposure to global market conditions. This research examines climate change vulnerability and adaptation in three stages in the life of a mine, (i) inception and planning, (ii) operating, and (iii) post-closure (or remediation and restoration) through case studies located in the Yukon Territory, Canada. The report aims to provide insights on ways to enhance the competitiveness and adaptive capacity of the mining sector in a changing climate.