Assessing Climate Change Risk and Resilience in the Yukon

Table 3 No. 2 11 17 18 19 29 29 33 Summary of risk scores, Priority 2: Floods and fires that affect communities and livelihoods Impact Likelihood based on a score from 1 (very low) to 5 (very high) High: More likely than not to occur multiple times per decade; may occur annually Risk score (1-25) Likelihood x Consequence Wildfires threaten INF FS EN communities, 17 11 15 heritage values, CH AC CM and infrastructure 16 14 15 Wildfire LH EH HW 12 16 16 Changing water INF FS EN levels, conditions, 20 15 17 Very high: Likely annual, ongoing occurrences and flow in rivers and lakes affect CH AC CM Snow, ice, 18 16 16 water community infrastructure LH EH HW 14 16 14 Changes to the INF FS EN timing of ice 14 14 11 freeze-up and CH AC CM break-up on to occur multiple times per decade; may occur annually Snow, ice, 14 17 14 water waterways LH EH HW 13 11 13 infrastructure High: More likely than not Impact 18 did not receive enough responses for conclusive results. It may be worth assessing in a future climate risk assessment. High: More likely than not to occur multiple times • Consequences to values Impacts to air quality (wildfire smoke) Damage to homes, buildings and community infrastructure • Physical health and • safety risks Safety risks for getting out on the land and impacts to harvested foods, cultural practices, and well-being ⚫ Damage to community spaces can affect ability to gather • Damage to transportation infrastructure and interruptions to supply chains • Reduced access to seasonal and ice roads • Mental health impacts • Costly damage affecting household Groundwater levels are raised in some regions or areas, posing Snow, ice, water risks to community Ice-jam floods INF FS EN occur along the 15 11 10 Yukon River and CH AC CM in other important per decade; may occur annually Snow, ice, water 11 13 12 watersheds LH EH HW 9 11 11 Flooding in INF FS EN communities is 16 14 14 more frequent and CH AC CM severe Snow, ice, water 14 15 14 High: More likely than not to occur multiple times per decade; may occur annually financial security Damage to energy infrastructure LH EH HW 12 12 13 Damage from INF FS EN High: More likely than not extreme 17 16 15 to occur multiple times precipitation events CH AC CM per decade; may occur annually Extreme weather 15 16 16 LH EH HW 16 15 16 PAGE 16 ASSESSING CLIMATE CHANGE: RISK AND RESILIENCE IN THE YUKON

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