The decline of Arctic sea ice demands a response, writes Matthew Worsdale. As Arctic temperatures rise, so does the danger of huge eruptions of methane – a powerful greenhouse gas – that will tip the climate into ‘hot’. The only solution is geo-engineering.

By any economic argument, it is so much cheaper to cool the Arctic than to deal with the devastating consequences. An abrupt discharge of a large quantity of methane would cause catastrophic climate change coming with a $50-100 trillion price tag.

Imagine if every person on the planet had the knowledge that there was an imminent crisis and an action they could take to make a solution more possible.

The crisis I outline here is the rapid melting of the Arctic, a situation of a gravity that is not appreciated by society.


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