From forests and farmlands to freshwater, oceans and coasts, the vitality and diversity of Earth’s ecosystems are the basis of human prosperity and well-being. Yet we are degrading these precious resources in alarming ways. The UN Decade on Ecosystem Restoration is an opportunity to help turn the tide and give people and nature a sustainable future. On this page, you can learn about different categories of ecosystem, their main components, current status and major threats, as well as the benefits of restoring them.