Spencer’s posited 1-2% cloud cover variation found

In a nutshell, with a −1.6%per decade change in cloud cover during 1954–2005, it becomes a climate forcing. While China is not the world, it bears consideration. The Hockey Schtick…

Another solar study: this one suggests no significant solar influence

On Saturday I posted about this study from Pierre Gosselin at No Tricks Zone: New Study Shows A Clear Millennial Solar Impact Throughout Holocene Now we have another that suggests…

Nigel Calder reports on "Yet another trick of cosmic rays"

Reblogged from Calder’s Updates In the climax to the Danes’ experiments, cloud seeds flout the theories Near to the end of the story that starts with stars exploding in the…

Crowdsourced Climate Complexity – Compiling the WUWT Potential Climatic Variables Reference Page

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments, which began on this thread on January, 15th 2011, and grew on January 22nd,…

German skeptics Lüning and Vahrenholt respond to criticism

Foreword: Dr Sebastian Lüning and Prof. Fritz Vahrenholt, authors of a new controversial skeptic book now hitting German bookstores, have asked me to post their response to comments made by…

The Ridiculousness Continues – Climate Complexity Compiled

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments on this thread and several others documented within, I’ve been compiling a summary of…

New paper links cosmic rays, clouds, and temperature

This new paper shows what appears to be a link between Forbush descreases and terrestrial temperature change shortly afterwards. It is a short time scale demonstration of what Svensmark is…

Nir Shaviv on the CLOUD experiment, worth a read

Israeli Astrophysicist Dr. Nir Shaviv posted a guest essay at Luboš Motl The Reference Frame titled: The CLOUD is clearing In a nutshell he’s saying that cosmic ray flux modulated by…

BREAKING NEWS – CERN Experiment Confirms Cosmic Rays Influence Cloud Seeds

UPDATE: see some reactions to this announcement here From the GWPF This refers to the CLOUD experiment at CERN. I’ll have more on this as it develops (updated twice since…

Antimatter belt discovered around Earth

This has been covered widely today, here is a sampling of stories and reference: From the BBC: Antimatter belt around Earth discovered by Pamela craft A thin band of antimatter…

Weekly Weather and Climate News Roundup

Quote of the Week: “From the household perspective, reductions in energy expenditures act like a tax cut for the Pennsylvania economy, increasing discretionary income.” Penn State report on natural gas…

CERN: "Don't interpret the CLOUD experiment results"

From the Register and Nigel Calder’s blog via bunches of people who submitted in Tips and Notes, hints of a new project, the RCC (Real Climate Collider) /sarc. CERN ‘gags’…

Earth's Climate System Is Ridiculously Complex – With Draft Link Tutorial

By WUWT regular “Just The Facts” I am often amused by claims that we understand Earth’s climate system, are able to accurately measure its behavior, eliminate all potential variables except…

Indirect Solar Forcing of Climate by Galactic Cosmic Rays: An Observational Estimate

By Dr. Roy Spencer, PhD (reprinted from his blog with permission) UPDATE (12:35 p.m. CDT 19 May 2011): revised corrections of CERES data for El Nino/La Nina effects. While I…

New study links cosmic rays to aerosols/cloud formation via solar magnetic activity modulation

From an Aarhus University press release: Scientists at Aarhus University (AU) and the National Space Institute (DTU Space) show that particles from space create cloud cover New input to the…

Update on the CERN CLOUD experiment

WUWT reader Max_B tips us off to this article and video. According to Nigel Calder’s Blog, CERN’s CLOUD experiment (testing Svensmarks’s cosmic-ray theory) shows a large enhancement of aerosol production…

Canadian Harp Seals In New England ("prediction" of cooling?)

Canadian Harp Seals may have “read” the predictions of the coming decades of stabilization of global temperatures and perhaps some cooling. Animals like the Harp Seal have experienced many millions…

The minimal solar activity in 2008–2009 and its implications for long‐term climate modeling

This is a new paper in Geophysical Research Letters by C. J. Schrijver, W. C. Livingston, T. N. Woods, and R. A. Mewaldt. WUWT readers may recognize Livingston as the…

In light of radiation fears, I offer this repost

Going bananas over radiation With all the worries over radiation leaks from Japan, and hoarding of Potassium Iodide tablets, I thought it valuable to repost a link to this story from…

Solar news: Forbush decrease in progress

The definition at Wikipedia: A Forbush decrease is a rapid decrease in the observed galactic cosmic ray intensity following a coronal mass ejection (CME). It occurs due to the magnetic…