Ozone Depletion Timeline

By Makyah27

  • People descovered that the loss of the ozone given by the reaction was too slow.

  • The Ozone was first noticed in Anartica.

  • Two chemists predicted that chemicals would seriously damage the ozone layer.

    Two chemists predicted that chemicals would seriously damage the ozone layer.

  • The first measurement for the Ozone

  • In Montreal people created the world's first environmental convention.

  • A team later returned from the Antarctic to reveal the cause of the ozone hole which was human-produced chlorine and bromine molecules escaping to the stratosphere.

  • A meeting in London voted for a strengthened Montreal Protocol under which CFCs, halons and other ozone-destroying chlorine compounds would be phased out by 2005 (most would be phased out by 2000).

  • The ozone hole was the largest hole recorded.

  • Around this time well be expecting the ozone hole to be destrorying.

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