New Scientist: A sudden methane burp in the Arctic could set the world back a colossal $60 trillion.
Billions of tonnes of the greenhouse gas methane are trapped just below the surface of the East Siberian Arctic shelf. Melting means the area is poised to deliver a giant gaseous belch at any moment" - one that could bring global warming forward 35 years and cost the equivalent of almost a year's global GDP.
These are the conclusions of the first systematic analysis of the economic cost of Arctic melting,...