The phrase "active in issues" is correct and usable in written English.
It can be used to describe someone who is engaged or involved in particular topics or matters, often in a social, political, or community context.
Example: "She has always been active in issues related to environmental conservation and social justice."
Alternatives: "engaged in matters" or "involved in topics".
His website states that he "has been active in issues regarding carers".
Brown was also active in issues facing African Americans, forming groups to assist black-owned businesses and to rehabilitate gang members.
William J. Perry was secretary of defense from 1994 to 1997, and he remains active in issues relating to arms control and national security.
The Rev. Debra W. Haffner, a Unitarian Universalist minister who is executive director of the Religious Institute, an interfaith organization active in issues of sexual health, last week sent 2,200 clergy members in a dozen denominations an open letter asking them to devote this weekend's sermons to Tyler Clementi's suicide.
I had been already active in issues concerning young scientists for some time: I had been responsible for international relations in the Association of Hungarian Ph.D. Students and attended some conferences which focused on science policy concerning young scientists.
But he remained active in issues related to public education.
"But I'm active in issue ads myself, and at the right time and right place, I would probably do that," he said.
What is not possible to gauge is whether the increase indicates that behaviour at matches has deteriorated, or that Uefa has become more active in issuing fines against bad behaviour.
However, it was active in issue-based campaigns: CND, which many of them were involved in during the early 60s, and the anti-Vietnam war campaign which grew out of that.
With Hungary, where a new Government has pledged to take an active role in issues involving the two million Hungarians living in Transylvania, Mr. Iliescu said he would take a firm line.
He hails from Subang Jaya, Malaysia and takes active interest in issues affecting international students, having spent over 6 years in the UK.
