This creates more potential feedback loops, both positive and negative. (newscientist.com)
(66) Now the plausible possibility that a swift alteration of land or sea ice could transform climate had to be added to all the other potential feedbacks from global warming. (history.aip.org)
On the one hand, science has to deal with potential feedback trends unleased by global warming — such the run - away melting of the arctic permafrost releasing massive amounts of the potent greenhouse gas methane — that are essentially «unknowable», Pindyck wrote. (declineoftheempire.com)