The phrase "a comprehensive global study" is correct and usable in written English.
It can be used when referring to a research project or analysis that covers a wide range of topics on a worldwide scale.
Example: "The researchers conducted a comprehensive global study to assess the impact of climate change on biodiversity."
Alternatives: "an extensive international analysis" or "a thorough worldwide examination".
A comprehensive global study looked at the average height of 18-year old men and women in 200 countries between 1914 and 2014.
A comprehensive global study of climate change science is expected to be published in September by the Intergovernmental Panel on Climate Change, its first major report since 2007.
Here we show, from a comprehensive global study of wild ruminants from tropical to polar environments, that cyclical growth is a universal trait of homoeothermic endotherms.
ROME, Oct. 11 — A comprehensive global study of abortion has concluded that abortion rates are similar in countries where it is legal and those where it is not, suggesting that outlawing the procedure does little to deter women seeking it.
"They don't even taste good, so what was the reason?" On Saturday, the conservation organizations Shark Savers and WildAid released the results of a comprehensive global study showing that these species have been driven to the brink of extinction within a chillingly short space of time.
This suggests a comprehensive global study is necessary to resolve the evolutionary history of this complex.
His studies include a comprehensive global survey of board members, as well as a series of case studies that approach the issue of women on boards from an individual, an organizational, and a country level.
Once every three years, Accenture joins forces with the United Nations Global Compact (UNGC) to conduct the most comprehensive global study in existence on corporate views on sustainability.
Now, the most comprehensive global study of its kind yet suggests that this effect has limits, and that increases in plant respiration may not be as big as previously estimated.
31% The percentage of the world's 1,480 cactus species put at risk Scientists said the "disturbing" findings from the Global Cactus Assessment – which is the first comprehensive, global study into the health of cactus species – proved that the illegal trade in valuable species affects plants just as much as animals like rhinos and elephants.
A comprehensive global review of anxiety studies published in 2006 in the Canadian Journal of Psychiatry concluded that as many as one in six people worldwide will be afflicted with an anxiety disorder for at least a year during some point in their lifetimes.
