The report aims to answer 5 questions: what is the state of the global environment, and what are the major factors and drivers influencing these changes? How are people and their livelihoods affecting and affected by environmental change? Are environmental benefits, responsibilities and risks distributed fairly across the global population? What are the main responses and policy measures that have been taken to strengthen environmental protection and governance at various levels? What are the possible pathways to transform the global human-environment system to become more sustainable and what are the likely consequences if no additional actions are taken?