"uneven impact" is a perfectly valid and grammatically correct phrase that can be used in written English.
You could use it to refer to the fact that different people may be differently affected by a particular event or policy. For example, you could say: "The pandemic has had an uneven impact on different sections of the population, with some people facing much greater financial instability than others."
The government's spending review has produced a markedly uneven impact on Whitehall departments.
The initiative would have an uneven impact on the state's business sectors, according to the report.
Yet the uneven impact of surveillance tools is a source of growing concern for civil liberties and civil rights groups.
What impressed itself most powerfully upon Mr. Sen, and eventually inspired some of his most important work, was the uneven impact of the tragedy.
Although the area is well known in biathlon and cross-country circles, the sports center has had a uneven impact locally.
The new report describes a world riven by increased conflict over scarce food and water supplies and threatened by so-called rogue states and terrorists, widening gaps between rich and poor and an uneven impact of global warming.
Alienation has been magnified by military misadventures, the financial crash and the uneven impacts of globalisation.
The growth in production has had uneven impacts across the country, and many communities still go hungry or malnourished today.
Geoengineering could have environmental side effects and uneven impacts in different regions, but those risks would probably become clear early on.
"But building more affordable homes, developing a genuine anti-poverty strategy for inner cities, and recognising the uneven impacts of austerity across the country would be a start," he added.
Solomon Hsiang sums up the major, and uneven, impacts of unmitigated climate change in the U.S. Other study contributors included leading climate researchers, economists and risk assessment experts from the University of Chicago, Rutgers University and the Rhodium Group — members of the Climate Impact Lab consortium with the Berkeley team — along with researchers from Princeton University and RMS.
