Climates are changing more rapidly than forests can adapt on their own. However, the tremendous genetic variation within widespread native tree species can be used to pre-adapt the hundreds of millions of trees planted each year in western Canada to climate change. Natural populations are locally adapted to temperature and moisture regimes, and they differ in their genetic makeup as a result. This project aims to: 1) use state-of-the-art genomic tools to understand how populations differ for genes and traits as a response to climate, 2) develop new climate models to identify what components of climate tree populations are most sensitive to, and how these are predicted to change, and 3) facilitate focus groups, web-based surveys and interviews to understand the values and perceptions of the general public, professional foresters, environmentalists, and community leaders in British Columbia and Alberta around different forest adaptation strategies. Knowledge from these areas of research will be integrated into policy recommendations for reforestation.