Hundreds of diplomats from around the world are set to scrutinize the IPCC’s latest Summary for Policy Makers, which contains predictions and benchmarks findings on staving off a climate catastrophe by 2040.
PARIS, France – The world’s nations will gather at a United Nations conference in South Korea on Monday, October 1 to review and approve a 20-page bombshell – distilled from more than 6,000 scientific studies – laying out narrowing options for staving off climate catastrophe.
When the 195 countries who signed off on the Paris Agreement in 2015 requested a report from UN-led scientists on the feasibility of capping global warming at 1.5 degrees Celsius, the gesture seemed to many unnecessary.
The treaty, after all, enjoined the world to block the rise in Earth’s surface temperature at “well below” 2C compared to preindustrial levels, adding a safety buffer to the two-degree threshold long seen as the guardrail for a climate-safe (sic) world.
Since then, however, a crescendo (sic) of deadly heatwaves, floods, wildfires, and superstorms engorged by rising seas – with less than 1C warming so far – has convinced scientists that the danger cursor (sic) needed to be reset.
“There is increasing and very robust evidence of truly severe and catastrophic risks even at the lower bounds of these temperature targets,” said Peter Frumhoff, director of science and policy at the Union of Concerned Scientists, a Washington-based research and advocacy group.
The promise of “pursuing efforts” to limit warming to 1.5C – added to the Paris treaty at the last minute, in part to assuage poor nations who felt short-changed on other fronts – caught scientists off-guard.
“There wasn’t very much literature on 1.5C warming 3 years ago,” said Jim Skea, a professor of at Imperial College London’s Centre for Environmental Policy, and a co-chair of the Intergovernmental Panel for Climate Change (IPCC), the UN science body charged with writing the “Special Report” on 1.5C.
But is it feasible?
Of hundreds of climate models in 2015 projecting a low-carbon future, only two or 3 aimed for a 1.5C global warming cap.
The 20-page which will be collectively scrutinized, line-by-line, by hundreds of diplomats through Friday, October 5 – contains several benchmark findings, according to a draft obtained by AFP.
At current levels of greenhouse gas emissions, for example, the Earth’s surface will heat up beyond the 1.5C threshold by 2040, the report concludes with “high confidence.”
To have a fighting chance of staying under the 1.5C cap, the global economy must, by 2050, become “carbon neutral,” meaning no additional CO2 can be allowed to leach into the atmosphere.
In addition, the report suggests that carbon dioxide emissions from human activity will need to peak in 2020 and curve sharply downward from there.
So far, we are still moving in the wrong direction: after remaining stable for 3 years – raising hopes the peak had come (sic) – emissions rose in 2017 to historic levels.
For many scientists, these targets are technically feasible but politically or socially unrealistic, along with the broader 1.5C goal.
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September 30, 2018 at 05:45PM