World Ozone Day – 5 Quick facts about the ozone

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  1. The bracing smell of seaside air which people often think is ozone is in fact dimethyl sulphide produced from rotting seaweed.
  2. Ozone is a pale blue gas with a distinctive pungent smell.
  3. Ozone near ground level may be harmful. A component of smog, it can lead to breathing disorders and chest pain.
  4. The Montreal Protocol to ban ozone-depleting chemicals such as CFCs was signed in 1989.
  5. Harmful ground-level ozone is produced by car and truck exhausts and natural gas production.

Read our previous article about the Amazon region.

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