Silent Global Rain: CFC Replacements Spawn Planet-Wide Forever Chemicals
TL;DR Summary
Lancaster-led research estimates about 335,500 tonnes of trifluoroacetic acid (TFA) formed from CFC replacements and certain anesthetics and deposited worldwide between 2000–2022, with the amount likely rising for decades; Arctic ice cores and global rainfall data show widespread distribution, underscoring TFA's persistence and potential ecological/health risks and prompting calls for international monitoring and action.
- An invisible chemical rain is falling across the planet ScienceDaily
- CFC replacements cause vast ‘forever chemical’ pollution – new research The Conversation
- Forever chemical TFA has tripled due to ozone-preserving refrigerants New Scientist
- Canadian Researchers Find Marked Decline of Atmospheric TFA During COVID Natural Refrigerants
- CFC replacements behind hundreds of thousands of tonnes of global ‘forever chemical’ pollution Lancaster University
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