What is global cost?

Excuse me, could you clarify what you mean by "global cost"? Is it referring to the total expenditure incurred globally for a particular project, service, or product? Or does it encompass a broader concept, such as the cumulative economic and environmental impacts of global economic activities? Additionally, is there a specific context or industry you're referring to when mentioning "global cost"? Understanding these nuances would help me provide a more accurate and relevant explanation.