Note that the results are quite in line with what the UK's Hadley Center recently reported (see Hadley Center: «Catastrophic» 5 — 7 °C warming by 2100 on current emissions path, but this is a better figure than Hadley's, I think). (thinkprogress.org)
These extremely hot days will only increase if we stay on our current emissions path, with a likely increase of 16 to 29 extremely hot days on average over the next 5 to 25 years, a likely jump of 21 to 51 such days by mid-century, and 46 to 105 extremely hot days likely by the end of this century. (riskybusiness.org)
Ricke said: «Our results show that if we continue on our current emissions path, by the end of the century there will be no water left in the ocean with the chemical properties that have supported coral reef growth in the past. (sciencedaily.com)