noun, noun which may take the genitive case particle 'no'
global scale; worldwide scale
Used to describe issues, phenomena, or activities that span the entire planet. Often appears in compound phrases like 地球規模の～ (global ~).
地球規模の気候変動が深刻化している。
Climate change on a global scale is becoming more serious.
この問題は地球規
This problem needs to be addressed on a global scale.
世界的 means 'worldwide' or 'global' as an adjective, while 地球規模 emphasizes the scale or magnitude of something being planetary in scope.
グローバル is a loanword meaning 'global', often used in business or technology contexts. 地球規模 is more formal and often used in scientific or environmental discussions.
Compound of 地球 (earth, globe) and 規模 (scale, scope).