This document discusses climate-smart agriculture (CSA). CSA aims to sustainably increase agricultural productivity and food security, adapt to and build resilience against climate change, and reduce greenhouse gas emissions. It takes a landscape approach and considers synergies and tradeoffs between productivity, adaptation, and mitigation. CSA is context-specific and has multiple entry points, including technologies, policies, and value chains. While CSA builds on sustainable agriculture, it has a specific focus on addressing climate change impacts. The document outlines the need for CSA given climate change threats to agriculture and food security, and addresses common questions about CSA.