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ozone layer
Trends
- 1China completes phase-out of ozone-depleting HCFCs in solvent industry▼China has finished phasing out ozone-depleting HCFCs from its solvent industry. It’s the last stage of a project running
China has completed the phase-out of ozone-depleting HCFC chemicals from its solvent sector, closing a project running since 2016 that required 53 enterprises to switch to substitutes. A nationwide ban on HCFCs in cleaning agents took effect on 1 July 2026, marking the final stage of commitments under the Montreal Protocol framework.
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Attention is on a claim that scientists have discovered a hole in the layer above Earth, most likely referring to the ozone hole over Antarctica. Such findings recur each year when satellite measurements show the seasonal ozone opening, drawing wide public interest. Discussion centres on how large the hole is, whether it is growing or shrinking, and what it means for UV exposure and the recovery of the ozone layer under the Montreal Protocol.