This chapter offers an overview about climate change mitigation in the forestry sector. Its contents cover the following aspects: (1) the status and trends of the forestry sector; (2) regional and global trends in greenhouse gas (GHG) emissions and removals from the forestry sector; (3) an assessment on different mitigation options; (4) the interactions of mitigation with adaptation and vulnerability; (5) the effectiveness and experiences with different policy options; (6) forestry and sustainable development; (7) the various technologies and their research and development, deployment, diffusion and transfer and (8) the long-term outlook.