# Tag: Minamata Convention

- [Unipar inaugurates R$1 billion plant overhaul to eliminate mercury ahead of deadline](https://brazilstockguide.com/insights/unipar-inaugurates-r1-billion-plant-overhaul-to-eliminate-mercury-ahead-of-deadline/) (2025-12-15): Cubatão upgrade shifts all chlorine output to membrane technology ahead of Brazil’s 2025 mercury ban.