This paper argues that the long-term success of the post-2015 framework will ultimately depend upon how ‘climate smart’ it is. It outlines the significance of climate change for different development objectives and the options for integrating climate change into the post-2015 development framework, as a crucial factor in poverty reduction and sustainable development. It argues that implementation of the post-2015 development agenda will need to foster policy coherence and encourage climate compatible development actions. It is suggested that this will include providing finance to support country-owned development strategies and plans that integrate climate change objectives within an overarching development framework, including national mitigation and adaptation strategies and other actions linked to the UNFCCC process.