6. Water and sanitation 6.2, 6.b. Objective 4. Objective 6. 4.5.3 Ecosystems and Biodiversity Sector. SECTOR: ECOSYSTEMS AND BIODIVERSITY Increasing resilience. Goal to 2030. Objective 10. Increase the resilience of those ecosystems in which socio-economic and cultural practices are carried out, based on the use of Nature-based Solutions (NBS). Lines of Action to 2030. Gaps and Needs to 2030.