The phrase "a concern over time" is correct and usable in written English.
It can be used when discussing issues or worries that develop or change as time progresses.
Example: "There has been a growing concern over time regarding the impact of climate change on our environment."
Alternatives: "an ongoing concern" or "a worry over time".
My lower back and hips have become a constant source of concern over time.
Third, establishing an ongoing culture of public engagement, with embedded mechanisms, would alleviate the concern over time.
Air safety downgrade: India has asked the US's Federal Aviation Administration FAAA) for a fresh audit of its air services after the FAA downgraded India to Category-II in safety rankings, clubbing it with Zimbabwe and Indonesia as it expressed a concern over a lack of full-time flight operations inspectors.
As a starting point in our analysis, we report results from almost four years of monthly surveys with U.S. consumers, which show slight food safety concern for genetically engineered food with no discernable trend of increased or decreased concern over time.
Mr Gates said later he had had "concerns over time" about the PLA acting independently of the political leadership.
Lieutenant Amos said he grew concerned over time by the focus of Mr. Coleman's investigation on Tulia's small African-American community, which numbers perhaps 400.
Gillespie is now understood to have spoken to Strauss over the telephone, with further talks imminent, although he has previously said he would need "serious persuasion" to leave Yorkshire, amid concerns over time commitments and the power he would wield.
The research suggests that, while anxiety levels are higher now than they have been in the past five years, those in the sector are getting better at coping with these concerns over time.
However, when placed in vivo, these alloys release Co, Cr, Mo ions to host tissues, which may give rise to significant health concerns over time.
