Here are some of the key statistics raised in the report.
"The next few years are probably the most important in our history", Debra Roberts, co-chair of the IPCC Working Group II, said in a statement marking the report's release. "The U.S. government is clearly in the hands of an administration that doesn't think climate change is real".
The report was the first commissioned by world leaders under the Paris Climate Accord from which President Trump is withdrawing the US and was first covered by The New York Times.
The IPCC report said, "At +1.5 degrees Celsius, twice as many mega cities as present such as Lagos in Nigeria and Shanghai in China are likely to become heat stressed, potentially exposing more than 350 million more people to deadly heat stress by 2050".
We're - the temperatures are rising at about a fifth of a degree a decade.
With a global temperature increase of 1.5C, there would be a 16 per cent increase in the number of hot days whereas with 2C, this rises further to 25 per cent.
Areas like sub-Saharan Africa and the Mediterranean would still suffer from droughts, but farms would be able to grow more food than they could with 2 degrees of warming. But if warming stops at 2 degrees, more than 99% of reefs could disappear.
Why does everyone hate Angel Hernandez so much?
He being the one Boston batter who really got to Yankees closer Austin Romine . "I don't understand why he's doing playoff games". Former Yankee Nathan Eovaldi (1-0) shined in his first career postseason start, allowing one run on five hits in seven innings.
Brett Kavanaugh moves towards Supreme Court confirmation after long, bitter fight
Vice-President Mike Pence planned to be available Saturday in case his tie-breaking vote was needed, which now seems unlikely. Manchin used an emailed statement to announce his support for Kavanaugh moments after Collins finished talking.
City's Mahrez misses late penalty in goalless draw at Liverpool
Manchester City's only loss in their last 25 Premier League away games came in January's 4-3 reverse at Anfield (W20, D4, L1). If you work hard, you earn it, you deserve it, and that's what we try to do mixed up with very good football, that's the plan.
Another recent report from the consulting firm PwC makes it clear that even limiting warming to 2 degrees C will be a stretch: "There seems to be nearly zero chance of limiting warming to well below two degrees (the main goal of the Paris Agreement), though widespread use of carbon capture and storage technologies, including Natural Climate Solutions, may make this possible", it says.
It seems that what was once our worst case scenario may now be one of our best.
In his article, Shellenberger details the United Nations' historical distaste for nuclear power, including a 30-year-old report which advocated poor nations "sustainable" use of wood for fuel which, it said, would require a massive restructuring of the countries' agricultural economies.
Their concerns meant a pledge to pursue efforts to limit temperature rises to 1.5C was included - after tough negotiations - alongside the commitment to keep them "well below" 2C in the global Paris climate agreement in 2015. By 2050, emissions will need to be reduced by 100 percent.
Governments are set to meet at the Katowice Climate Change Conference in Poland in December to discuss the report and steps that can be taken to address climate change.
Given humanity's track record, this dramatic and unprecedented action seems unlikely.
The Nobel Prize-winning Intergovernmental Panel on Climate Change issued its gloomy report at a meeting in Incheon, South Korea. It will be one of the main items discussed at a global conference in Poland in December, when governments will review the Paris Agreement (which the USA withdrew from in June 2017).
The world has warmed by one degree Celsius since the pre-industrial period and the science is clear that it is caused by humans. At that point, the authors warn that our only chance will be some sort of carbon removal technology, which has not been proven to work on the necessary scale and will not be able to save ecosystems already lost.
SKEA: Yeah. I mean, the - what we were asked to do by governments was to produce a report that answered two homework questions. "It's now their responsibility.to decide whether they can act on it".