Climate change: the fault of humanity?

Michael Roberts Blog

The sixth report from the Intergovernmental Panel on Climate Change (IPCC) runs to nearly 4,000 pages.  The IPCC has tried to summarise its report as the ‘final opportunity’ to avoid climate catastrophe.  Its conclusions are not much changed since the previous publication in 2013, only more decisive this time.  The evidence is clear: we know the cause of global warming (mankind); we know how far the planet has warmed (~1C so far), we know how atmospheric CO2 concentrations have changed since pre-industrial times (+30%) and we know that warming that has shown up so far has been generated by historical pollution.  You have to go back several million years to even replicate what we have today.  During the Pilocene era (5.3-2.6 million years ago) the world had CO2 levels of 360-420ppm (vs. 415ppm now). 

In its summary for Policy makers, the IPCC states clearly that climate change and global warming…

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