送交者: cornbug 于 2013-07-25, 23:07:42:
回答: Better known as: From the fart of the bottom :-) 由 silxirt 于 2013-07-25, 22:42:52:
The Arctic's rapid warming could cost the global economy more than $60 trillion if melting permafrost releases huge quantities of methane, a potent greenhouse gas, a new study finds. The cost nearly mirrors the $70 trillion size of the world economy in 2012.
http://weather.yahoo.com/global-price-tag-arctic-thawing-60-trillion-184127580.html