Alaska is the Canary
The term "canary in the coal mine" refers to miners who used to take canaries in cages with them underground. If the bird expired, they would be warned that oxygen was running low and it was time to go back to the surface. When it comes to global warming, Alaska is the canary in the coal mine, because problems are showing up there first.
Lynn Melling reports for KTUU-TV that "From wildfires to floods to lightning strikes, it seems the weather this summer has been a hodgepodge of unusual events. Is it just circumstance, or a trend of things to come?"
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