"of global scale" is grammatically correct and can be used in written English.
It is typically used to describe something that affects or involves the entire world. Example: The COVID-19 pandemic is a crisis of global scale, as it has impacted countries around the world and caused widespread disruption.
Global environmental change includes changes in a wide range of global scale phenomena, which are expected to affect a number of physical processes, as well as the vulnerability of the communities that will experience their impact.
Increasingly confounding nations are problems of global scale.
In a world where economies of global scale will increasingly matter, China is the obvious choice.
Conversely, investors require mass participation in these services as evidence of their potential to reach some kind of global scale.
If they make shifts that are too radical, these firms will lose their advantages of global scale and global branding.
How would you describe the balance between taking advantage of global scale and the need to differentiate each local market?
Remember Edward Snowden's revelation via WikiLeaks (and the Guardian) of global-scale illegal surveillance.
Davin, E. L. & de Noblet-Ducoudre, N. Climatic impact of global-scale deforestation: Radiative versus nonradiative processes.
Rossby waves are a type of global-scale wave that develops in planetary atmospheres, driven by the planet's rotation1.
Our growing reliance on so many intelligent, connected devices is opening up the possibility of global-scale shutdowns.
Herbold, C. W., Lee, C. K., McDonald , I.R. & Cary, S. C. Evidence of global-scale aeolian dispersal and endemism in isolated geothermal microbial communities of Antarctica.
