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Story summary
- EU’s Copernicus Atmosphere Monitoring Service reports half of Europe’s population faced poor ground-level ozone during summer heatwaves.
- The Clean Air Fund says ground-level ozone contributes about 0.23 °C to current global warming.
- EU sulphur-oxide emissions fell 59% and nitrogen-oxide emissions fell 39% since 2015, but ozone shows no clear decline.
- Only Croatia, France and Spain have ozone-focused air-quality plans, according to the European Environment Agency.
