The Arctic is the planet’s canary

Our Arctic strategy must make its top priority keeping the permafrost cold.
Multi-year ice in the Arctic is harder to find, writes Elizabeth May, and the extent of the ice cover is shrinking.
In the early days of the Industrial Revolution, before the advent of equipment capable of monitoring the build-up of dangerous gases, miners would take a canary down deep in the mine. Its tiny metabolism was far more sensitive to the gases than were the miners. If the canary keeled over, it was time...

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