"issue of growing concern" is correct and usable in written English.
You can use it when you want to refer to something that is becoming more worrying or important. For example, "The issue of climate change has become a growing concern in recent years."
Underachievement among white working-class boys, however, has become an issue of growing concern for educationalists and the government.
In many countries across the world a universal issue of growing concern is increasing demand for health services and corresponding escalating costs.
The mental health of doctors is an issue of growing concern all over the world as it frequently interplays with their professional trainings and responsibilities.
Recently, Mr. Lieberman raised concerns in a highly publicized letter to United States Interior Secretary Bruce Babbitt over an issue of growing concern to Connecticut residents -- the petition process for Native American tribes seeking federal recognition.
Since joining the foundation, Olsiewski has emerged as a national player on an issue of growing concern to U.S. residents anxious about lethal organisms such as smallpox and anthrax.
The Qaddafi government's treatment of African refugees from the conflict has been an issue of growing concern, with humanitarian organizations claiming that some of the refugees have been forced at gunpoint aboard boats leaving Tripoli's harbor for Europe, and that one of the boats, carrying several hundred passengers, sank with heavy casualties shortly after embarking.
Last year, North Castle hired a planning firm, Frederick P. Clark Associates, to look into the McMansion issue, "out of growing concern about the impact on community character and appearance resulting from construction of overly large homes".
"I have learned that the political positions of a politician are never final," Pronk said, noting that midterm U.S. congressional elections will be held next year and environmental issues are of growing concern to American voters, according to recent polls.
Feet and leg unsoundness issues are of growing concern in the swine industry.
