Paraquat, a herbicide banned in 74 countries, draws heightened scrutiny in Australia after reports linked it to incurable illnesses. The chemical is still applied despite worldwide bans. India implemented a countrywide prohibition. Studies show exposure to this herbicide may escalate Parkinson’s disease risks. Australian farmers now seek safer substitutes as international bans expand. The controversies follow calls for tighter local regulations. Health groups call for stricter rules amid fears of long-term effects. Paraquat’s ongoing use here stands in contrast with its worldwide phase-out. Debate deepens over its safety.