Taking a closer look at NCA4; Is RCP8.5 bad science fiction?

Volume I of NCA4 (Climate Science Special Report) features this nifty image of projected global temperatures (°F) for several Representative Concentration Pathway (RCP) scenarios.  RCP2.6 is a drastic mitigation scenario, RCP4.5 is a strong mitigation scenario, RCP8.5 is bad science fiction and often described as “business as usual.”  All the really bad stuff happens in an RCP8.5 world.” click here

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