Over the past decade, the United Nations Environment Programme (UNEP) has embraced Ecosystem based Adaptation (EbA) in supporting climate change response projects across the world. The adoption by UNEP of the EbA approach as a core element of climate change response has enhanced long-term adaptive capacity in communities, improved livelihoods, reduced climate risks and improved the health of ecosystems. This briefing note summarises the key lessons from UNEP’s experiences across multiple countries and ecosystems over the past ten years.