30 December 1986The British government announced that electronic sensors would replace canaries as early-warning detectors of carbon monoxide in coal mines.

CANARY IN A COAL MINE  - Janet Bates       https://www.youtube.com/watch?v=VNw_P1mlPXs
CANARY IN A COAL MINE   by Stephen Hatfield - Harmonium Choral Society       https://www.youtube.com/watch?v=J1onPhFsWQo
CANARY IN A COAL MINE   by Bukahara       https://www.youtube.com/watch?v=Hv5EUEdfmxc
CANARY IN A COAL MINE  by The Police     https://www.youtube.com/watch?v=Ozeuu0PaOxg
CANARY IN A COAL MINE by Water the Band   -       https://www.youtube.com/watch?v=rbl7pPKqHUE
COAL MINE CANARY   - The Dundies       https://www.youtube.com/watch?v=gU7aiQrbhUI