I don't think they can. Emissions – the ‘business as usual’ story is misleading: Stop using the worst-case scenario for climate warming as the most likely outcome — more-realistic baselines make for better policy.
But climate science is more about scaring the public into handing over freedoms, than anything else.
The two scenarios are RCP2.6 and RCP8.5, the latter being the one that the media and The Left (but I repeat myself) have mostly fixated on.
Emission pathways to get to RCP8.5 generally require an unprecedented fivefold increase in coal use by the end of the century, an amount larger than some estimates of recoverable coal reserves6. It is thought that global coal use peaked in 2013, and although increases are still possible, many energy forecasts expect it to flatline over the next few decades7. Furthermore, the falling cost of clean energy sources is a trend that is unlikely to reverse, even in the absence of new climate policies
But "new climate policies" can curtail all kinds of freedom. Movement. What you eat. Where you live. Anything to avoid destruction. Hat tip to Watts Up With That?
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