The phrase "a global necessity" is correct and usable in written English.
It can be used to describe something that is essential or required on a worldwide scale.
Example: "Access to clean water is a global necessity that must be addressed to ensure the health of all communities."
Alternatives: "an international requirement" or "a worldwide essential".
It has become a global necessity.
The International AIDS Vaccine Initiative exists for a strange reason: an AIDS vaccine may be a global necessity, but it is really in no single country's or company's interest to spend the sort of money that would be necessary to find one.
Effective control of Mycobacterium tuberculosis is a global necessity.
YouTube is one of Google's most successful and valuable properties, and it's a global necessity in terms of easy, made-for-everyone video sharing online.
If environmentalism is truly a global necessity (for example targeting Global Warming) why do Americans expect the copper mines in Chile to remain open (we import 37% of our copper from mines in countries like Chile) and why do we continue to worry about the security of the Straits of Hormuz?
Improving preparedness and response is a global necessity.
Happily for whatever demonstrators there are, Qatar has lined up a few global necessities.
The development of an effective genital herpes vaccine is a global health necessity based on the mental anguish genital herpes causes for some individuals, the fact that pregnant women with genital herpes risk transmitting infection to their newborn children, and the observation that HSV-2 infection is associated with a 3-fold to 4-fold increased probability of HIV acquisition.
It also frames Australia's health workforce realities in a global context – a necessity in our increasingly globalized world.
Thus, SE should be refined, adapted and aligned as much as possible with global necessities by the scholars to be able to justify its role as a model for social value creating activities.
He added that the European entrepreneur has to be resilient, and often times has a global outlook out of necessity.
