We face a stark choice [between] radical, disruptive changes to our physical world or radical, disruptive changes to our political and economic systems. Rate of absorption of carbon dioxide may, or may not continue. Sinks like Amazon may flip to sources. And none of the models account for tipping points like loss of glaciers and methane from previously permafrost.
The Swedish schoolgirl asks world leaders to lead but, if they ever respond, it could easily be too late to stop runaway warming.