melting of the permafrost - could cause temperatures to rise by 12-20oC - three to five times the maximum rise predicted by the IPCC, based on its assessment of feedback effects.
(12-20oC - three to five times the maximum rise; predicted; by the IPCC, based on its assessment of feedback effects) (melting of the permafrost; could cause; temperatures to rise by 12-20oC - three to five times the maximum rise) Context(melting of the permafrost could cause,List([0, 39))):(temperatures; to rise; by 12-20oC - three to five times the maximum rise)
melting of the permafrost could cause,List([0, 39))
12-20oC - three to five times the maximum rise melting of the permafrost temperatures
predicted could cause to rise
by the IPCC, based on its assessment of feedback effects
temperatures to rise by 12-20oC - three to five times the maximum rise
by 12-20oC - three to five times the maximum rise