Below are links to blog posts authored by, or consisting largely of material by, Nicholas Lewis.  All or most of them were initially posted elsewhere.



Climate sensitivity to cumulative carbon emissions

Remarkable changes to carbon emission budgets in the IPCC Special Report on Global Warming of 1.5C

Why Dessler et al.’s critique of energy-budget climate sensitivity estimation is mistaken

The impact of recent forcing and ocean heat uptake data on estimates of climate sensitivity

Emergent constraints on climate sensitivity in global climate models, Part 3

Emergent constraints on climate sensitivity in global climate models, Part 2

Emergent constraints on climate sensitivity in global climate models, Part 1

Marvel et al.’s new paper on estimating climate sensitivity from observations


Reply to Patrick Brown’s response to my article commenting on his Nature paper

Brown and Caldeira: A closer look shows global warming will not be greater than we thought

Does a new paper really reconcile instrumental and model-based climate sensitivity estimates?

How dependent are GISTEMP trends on the gridding radius used?

How inconstant are climate feedbacks – and does it matter?


Are energy budget TCR estimates biased low, as Richardson et al (2016) claim?

What New Scientist wouldn’t print

Updated climate sensitivity estimates

Marvel et al.: GISS did omit land use forcing

Marvel et al. – Gavin Schmidt admits key error but disputes everything else

Marvel et al.: Implications of forcing efficacies for climate sensitivity estimates – update

Appraising Marvel et al.: Implications of forcing efficacies for climate sensitivity estimates


How sensitive is global temperature to cumulative CO2 emissions?

Implications of recent multimodel attribution studies for climate sensitivity

Scientific American article: “How to Misinterpret Climate Change Research”

Pitfalls in climate sensitivity estimation: Part 3

Pitfalls in climate sensitivity estimation: Part 2

Pitfalls in climate sensitivity estimation: Part 1

Johansen’s climate sensitivity estimate

Implications of lower aerosol forcing for climate sensitivity


The implications for climate sensitivity of AR5 forcing and heat uptake estimates

Paper justifying AR4’s use of a uniform prior for estimating climate sensitivity shown to be faulty

AR5 inquiry followup

Ed’s evidence of low TCR

Does “Inhomogeneous forcing and transient climate sensitivity” by Drew Shindell make sense?


Does the observational evidence in AR5 support its/the CMIP5 models’ TCR ranges?

Updated climate sensitivity estimates using aerosol-adjusted forcings and various ocean heat uptake estimates

New energy-budget-derived estimates of climate sensitivity and transient response in Nature Geoscience

Lewis responds to Nuccitelli

An objective Bayesian estimate of climate sensitivity

The Forest 2006 climate sensitivity study and misprocessing of data – an update


Why doesn’t the AR5 SOD’s climate sensitivity range reflect its new aerosol estimates?

Statistical errors in the Forest 2006 climate sensitivity study

Questioning the Forest et al. (2006) sensitivity study


Climate sensitivity follow-up

The IPCC’s alteration of Forster & Gregory’s model-independent climate sensitivity results