The phrase "a source of heated debate" is correct and usable in written English.
It can be used to describe a topic or issue that generates strong opinions and discussions among people.
Example: "The new policy on climate change has become a source of heated debate among lawmakers and environmentalists."
Alternatives: "a topic of intense discussion" or "a point of contention".
How best to reduce the danger has been a source of heated debate since the 1991 firestorm.
The "effects" that various forms of "computer" use are likely to have on different children's learning, motivation, and social behavior have been a source of heated debate and continuing controversy.
This ongoing work is a source of heated debate between the building's owners and British ex-inmates, who believe that visitors should see Oflag IVc (the castle's official wartime name) as it was in 1945.
The US will also begin sending long-range Global Hawk surveillance drones to Japan this month for rotational deployments, and they are intended to help step up surveillance around the Senkaku islands, a source of heated debate between Japan and China which both claim the remote territories.
Just what is to be done with the many examples of Communist-era architecture that pepper the country?The most visible legacy of Communist rule, the grand and often eye-catching buildings have become a source of heated debate in Poland with critics condemning them as an ugly and unwanted reminder of a past best forgotten.
Which is best is a source of heated debate, but for our money the Keelung Night Market (about an hour from Taipei) is tops, offering both an excellent selection and plenty of signs in understandable (and sometimes amusing) English. .
The issue became a source of heated political debate during the prelude to the Republican primary there on Saturday.
LOS ANGELES — A new legal drama making its debut this month on ABC is stepping into a subject that is the source of heated debate among some parents — the relationship between autism and childhood vaccines — and seemingly coming down on the side that has been all but dismissed by prominent scientific organizations.
Bound and unbound readings of pronouns give rise to similar problems, though whether this is a semantic, syntactic or pragmatic ambiguity has been the source of heated debate.
The day's somber remembrances reflect the 9/11 Museum's ongoing efforts to strike a balance between collective and private grief, something that's been the source of heated debate in the years and months leading up to the museum's opening.
The Jefferson-Hemings saga has been the source of heated debate for 200 years and is likely to remain so for decades to come.
