Many people often disagree or argue about something, usually because it affects or is important to them.
There was a big controversy surrounding/over the use of drugs in athletics.
The policy has caused fierce/heated controversy ever since it was introduced.
The new law sparked a heated controversy, with protesters taking to the streets to voice their opposition.
The scientist's controversial theory challenged long-held beliefs in the scientific community.
The artist's provocative work generated significant controversy, raising questions about the boundaries of artistic expression.
The company's decision to relocate its headquarters ignited a fierce controversy, with local residents fearing the economic fallout.
