An alarming new analysis

Hi Climate Vets,
I'm sorry to be negative today...
An analysis published on Monday in the Proceedings of the National Academy of Sciences (USA) suggests that "tipping point" aspects of climate change, such as melting permafrost, that haven't been emphasized in many previous models could have extremely serious effects, resulting in much more severe climate change than expected.
The authors find that some of these effects could start to occur at around 2 degrees C of warming over pre-industrial levels - just above the Paris targets and well within the range of possibility if very decisive action isn't taken very soon.
This is a cogent argument for strong and urgent climate action!
Here is the article: http://www.pnas.org/content/early/2018/07/31/1810141115