The “Climate Sensitivity” folly

The Lewis & Curry paper of 2014, where they set out to estimate Earth’s climate sensitivity to “GHGs” apparently ‘based on observations’, neatly identifies the fundamental problem with the whole “climate sensitivity” issue:

It is not a scientific proposition. It starts out as a speculation, a mere conjecture, and ends with a circular argument based on that very conjecture.

The conjecture of course being:

“More CO2 in the atmosphere can, will and does cause a net warming of the global surface of the Earth.”

This is the basic premise behind the entire AGW industry. The one thing that HAS TO be correct in order for all the other claims made to even stand a chance of being taken seriously in a proper scientific context.

But has this basic premise ever, anywhere, by anyone, been verified empirically through consistent observations from the real Earth system?

Of course not! Not even remotely so!

It is still nothing but a loose conjecture …

And yet NO ONE seems to acknowledge even in the slightest how this might pose a problem. All you get if you bring it up are shrugs of indifference and/or tuts of disapproval. ‘Go away, we’re discussing real, important issues here!’

The irony … Continue reading