WebThe origin of the phrase "Canary in the Coal Mine" is believed to date back to the late 1800s, when miners in Britain began sending canaries into the mines as an early warning system. The use of the canary was well-documented in Britain, but it’s possible that the practice may have originated elsewhere. Celebrating the Brave Little Canary in ... WebJan 1, 2024 · 20 years ago, British coal miners were still leading specially-bred ponies down into the darkness with them to haul coal, and as late as 1986, many of them were …

For Colorado coal miners, the canary in the coal mine was …

WebNov 12, 2014 · The melting glacier is a canary in the coal mine for global warming. Coal miners used to take canaries into coal mines with them. … WebApr 12, 2024 · Those sources also concede that South Korea’s economy contracted during the fourth quarter of last year and is on target to do the same during this year’s first … iowa medicaid income maintenance worker

Canary in a Coal Mine BirdNote

WebOct 5, 2016 · You’ve probably heard the phrase “the canary in the coal mine” and know it refers to advanced warning of a danger. In the centuries before air quality instruments, miners carried canaries in cages into the mines to detect carbon monoxide and methane before they reached dangerous levels for humans. Why did we use birds to detect bad air? WebDefinition of canary in a coal mine in the Idioms Dictionary. canary in a coal mine phrase. What does canary in a coal mine expression mean? Definitions by the largest Idiom … WebApr 29, 2024 · The canary in the coal mine has long been a metaphor for early warnings, but for actual coal miners those birds were a matter of life and death. In Colorado coal … open casting calls stranger things