Climate Sensitivity Estimates: Declining or Not?

Guest “climate sensitivity explaining by David Middleton ECS: Equilibrium Climate Sensitivity (AKA equilibrium sensitivity) TCR: Transient Climate Response (AKA transient sensitivity) AKA: Also Known As Here’s how the folks a…

Cooling The Hothouse

Guest Post by Willis Eschenbach I see that a new study has been hyped with the headline: Earth barreling toward ‘Hothouse’ state not seen in 50 million years,epic new climate…

An estimate of Climate Sensitivity

This arithmetic shows that Man-made additions of CO2 to the atmosphere can only have very marginal further temperature effect into next century and beyond.

New paper suggests historical period estimates of climate sensitivity are not biased low by unusual variability in sea surface temperature patterns

An important new paper by Thorsten Mauritsen, Associate Professor at Stockholm University[i] and myself has just been accepted for publication (Lewis and Mauritsen 2020)[ii]. Its abstract reads:

Emergent constraints on TCR and ECS from historical warming in CMIP5 and CMIP6 models

I note that Earth Systems Dynamics published the paper despite one of the two peer reviewers recommending against acceptance without further major revisions. But neither of the reviewers appear to…

Pat Michaels: “Worse Than We Thought”

Guest “it’s tough to make predictions, especially about the future” by David Middleton Climate Predictions “Worse Than We Thought”By Patrick J. MichaelsJuly 14, 2020 As the temperature of the eastern…

Climate Scientists Step Up the Climate Emergency Narrative

Guest essay by Eric Worrall Even worse than we thought ™. Despite a recent sanity test study which demonstrated that high end climate models hindcast impossible Eocene temperatures, climate scientists…

Climate science does an about-face: dials back the ‘worst case scenario’

Opinion by Anthony Watts A surprising comment published January 29th in the leading scientific journal Nature said; “Emissions – the ‘business as usual’ story is misleading – Stop using the…

Top and Bottom of the Atmosphere

Guest Post by Willis Eschenbach Some days I learn a lot. Today was one of them. Let me start at the start. Back in 1987 in a paper entitled ‘The…

Climate sensitivity in light of the latest energy imbalance evidence

Reposted from Dr. Judith Curry’s Climate Etc. Posted on January 10, 2020 by curryja | by Frank Bosse Equilibrium climate sensitivity computed from the latest energy imbalance data. The Earth…