Health & Environment Tools for Effective Decision-Making: Health and Environment Linkages Initiative (HELI)

This review describes HELI's overriding mission to facilitate better access at country level to existing knowledge, tools and methods for making good policy decisions on environment and health. HELI's web portal includes description of, and links to, data sources and instruments such as Geographic Information Systems (GIS), useful for environment and health assessment and monitoring; references for information on priority issues and to existing UNEP/WHO resources; and tools and guidance on carrying out impact assessment. Guidance outlines the steps required to carry out systematic economic analysis, including valuing costs of environmental degradation.