Tag Archives: Little Ice Age

Claim: Solar activity not a key cause of climate change, study shows

From the University of Edinburgh , another one-paper syndrome in the making funded by an NGO research council with a political mission to grab a headline. And, another poorly written press release where they don’t even cite the name of … Continue reading

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Posted in Modeling, Science, Solar | Tagged , , , , , , , | 182 Comments

The truth about ‘We have to get rid of the medieval warm period’

In the thread Intelligence and the hockey stick commenter “Robert” challenged a well known quote about the MWP from 2006 by Dr. David Deming in his statement before the Senate EPW committee which is the title of this post. I thought … Continue reading

Posted in MedievalWarmPeriod | Tagged , , , , , , , | 240 Comments

Intelligence and the hockey stick

Guest essay by Christopher Monckton of Brenchley In 1990, the IPCC’s First Assessment Report showed a schematic demonstrating the then understanding that the medieval warm period had been appreciably warmer than the present and that the Little Ice Age had … Continue reading

Posted in Opinion | Tagged , , , , , , , | 67 Comments

History falsifies climate alarmist sea level claims

Seas have been rising and falling for thousands of years – without help from the EPA or IPCC Guest essay by Robert W. Endlich Sea levels are rising rapidly! Coastal communities are becoming more vulnerable to storms and storm surges! … Continue reading

Posted in Sea level | Tagged , , , , , , , | 85 Comments

New paper: Arctic temperatures peaked before 1950, declining since

New paper using Oxygen 18 isotope tracking finds the Arctic temperatures peaked before 1950, and have been stable to declining since. Natural variability is cited as the cause. A new paper published in Climate of the Past reconstructs temperatures over … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , , , , , , | 43 Comments

New paper shows Medieval Warm Period was global in scope

Andrew Revkin writes: Michael Mann can’t be happy about this work. Here’s a chat with two authors of an important new Science paper examining 10,000 years of layered fossil plankton in the western Pacific Ocean. The paper finds that several … Continue reading

Posted in Ocean Heat Content, Oceans, Paleoclimatology | Tagged , , , , , , | 123 Comments

How long before we reach the catastrophic 2°C warming?

Guest essay by Neil Catto The other day I conducted a presentation using the UK CET, like I have on several occasions. Along with explaining it as the longest recognised instrumental record of historical temperature anywhere on Earth, it is … Continue reading

Posted in Climate data | Tagged , , | 128 Comments

BBC – Real risk of a Maunder minimum ‘Little Ice Age’

From BBC’s Paul Hudson It’s known by climatologists as the ‘Little Ice Age’, a period in the 1600s when harsh winters across the UK and Europe were often severe. The severe cold went hand in hand with an exceptionally inactive … Continue reading

Posted in Solar | Tagged , , , , | 188 Comments

The 2013 IPCC AR5 Report: Facts -vs- Fictions

Guest essay by Dr. Don J. Easterbrook, Professor of Geology, Western Washington University Mark Twain popularized the saying “There are liars, damn liars, and statisticians.” After reading the recently-released [IPCC AR5] report, we can now add, ‘there are liars, damn … Continue reading

Posted in IPCC AR5 Report | Tagged , , | 145 Comments

Syun Akasofu’s work provokes journal resignation

Editorial board member pissed off over a paper on “the pause” Story submitted by WUWT reader Duane Oldsen WUWT readers may remember Dr. Syun Akasofu as the source of a graph tracking the Pacific Multidecadal Oscillation with sine wave shifts … Continue reading

Posted in Climate ugliness | Tagged , , , , , , , | 300 Comments

The Medieval Warm Period in the Arctic

Since the IPCC AR5 is again making news in talking about the Medieval Warm Period, this review from Craig Idso at CO2Science.org seems appropriate. -Anthony Medieval Warm Period (Arctic) — Summary This review begins with the study of Dahl-Jensen et … Continue reading

Posted in Arctic, MedievalWarmPeriod | Tagged , | 56 Comments

Denmark gets a dose of global cooling in major newspaper

Major Danish Daily Warns: “Globe May Be On Path To Little Ice Age…Much Colder Winters…Dramatic Consequences”! Pierre Gosselin writes: Another major European media outlet is asking: Where’s the global warming? Image right: The August 7 edition of Denmark’s Jyllands-Posten, featured … Continue reading

Posted in Global cooling | Tagged , , , , | 245 Comments

Remarkable correlation of Arctic sea ice to solar cycle length

This is interesting, especially since Solar Cycle 23 was quite long. The Hockey Schtick writes: A paper published by the Danish Meteorological Institute finds a remarkable correlation of Arctic sea ice observations over the past 500 years to “the solar … Continue reading

Posted in Arctic, Sea ice, Solar | Tagged , , , , , , , | 108 Comments

Great News from Greenland

Guest essay by Dr. Patrick J. Michaels I recently returned from a trip to Greenland’s Jokabshavn Glacier, which discharges more ice than any other in the Northern Hemisphere. Our route of flight from Reykjavik traversed the ice cap from about … Continue reading

Posted in Glaciers, Greenland ice sheet | Tagged , , , , , , , | 65 Comments

Aging weather stations contribute to high temperature records

New paper finds that aging weather stations record much higher daytime temperatures, 1.63°C higher than new stations While we are all watching the heat wave developing in the US southwest, here is something to consider. Albedo on the surfaces of … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 81 Comments

An Engineer’s Take on Climate Change #2

Guest essay by Ronald D. Voisin High Atmospheric CO2 is Good for All Life on Earth At an atmospheric concentration of 380ppm and higher the limited long-wave spectral absorption of CO2 is essentially saturated. Consequently, yet more atmospheric CO2 becomes … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 180 Comments

Newsbytes: Polar Bear Population Growing Despite Declining Sea Ice

Great News! But Where Is The News Coverage? From The GWPF and Dr. Benny Peiser Exciting news about polar bears in eastern Canada: a new the peer-reviewed paper concludes that despite sea ice having declined since the 1970s, polar bear … Continue reading

Posted in Polarbeargate, Sea ice | Tagged , , , , , , , | 60 Comments

Plants that got buried during the Little Ice Age come to life again

From the University of Alberta, this news release is making the rounds, but what many of the alarmists don’t get (Joe Romm for example) is that these plants had to have a warm environment to grow in first, then they … Continue reading

Posted in Paleoclimatology | Tagged , , , , , , , | 59 Comments

Temperature change in perspective

Guest post by Ed Hoskins The UK Met Office long term Central England Temperature record[1] has kept a continuous and consistent data set since the 1660s. It appears to be reliable and to have maintained its quality. It has not … Continue reading

Posted in Temperature | Tagged , , , , , , , | 49 Comments

Michael Mann says climate models cannot explain the Medieval Warming Period – I say they can’t even explain the present

Ice core data shows CO2 levels changed less than 10 parts per million from 1600-1800 during the MWP. From the Hockey Schtick:  A new paper from Schurer et al (with Mann as co-author) finds that climate “models cannot explain the warm … Continue reading

Posted in IPCC AR5 leak, MedievalWarmPeriod, Michael E. Mann, Modeling | Tagged , , , , , , , | 113 Comments

Evidence for a Global Medieval Warm Period

From CO2Science: Medieval Warm Period (Antarctica) — Summary Was there a Medieval Warm Period somewhere in the world in addition to the area surrounding the North Atlantic Ocean, where its occurrence is uncontested? This question is of utmost importance to … Continue reading

Posted in Antarctic, Little Ice Age, MedievalWarmPeriod | Tagged , , , , , , , | 74 Comments

Validity of Marcott et al. PART II

Validity of Marcott et al. contention that “Global temperatures are warmer than at any time in at least 4,000 years” and “Global temperature….. has risen from near the coldest to the warmest levels of the Holocene within the past century.” … Continue reading

Posted in Marcott et al proxy paper, Paleoclimatology | Tagged , , , , , , | 80 Comments

A Simple Test of Marcott et al., 2013

Guest Post by David Middleton The Gorebots are all atwitter about this new paper… Science 8 March 2013: Vol. 339 no. 6124 pp. 1198-1201 DOI: 10.1126/science.1228026 A Reconstruction of Regional and Global Temperature for the Past 11,300 Years Shaun A. … Continue reading

Posted in Alarmism, Marcott et al proxy paper, Michael E. Mann, Paleoclimatology | Tagged , , | 91 Comments

Validity of “A Reconstruction of Regional and Global Temperature for the Past 11,300 Years”

It seems that Marcott et al isn’t all that it is cracked up to be. Dr. Easterbrook takes a good hard look at the paper. Guest post by Dr. Don J. Easterbrook (Note: Because of the far-reaching implications of the … Continue reading

Posted in Marcott et al proxy paper, Paleoclimatology | Tagged , , , | 97 Comments

How long to the 24/25 solar minimum?

Guest post by David Archibald Climate has real world consequences, and those operating in fields that will be affected by changing climate bring a different perspective to the problem of predicting what will happen. Bill Fordham, advising the grain industry … Continue reading

Posted in Science, Solar | Tagged , , , , , , , | 81 Comments

Unprecedented Glacial Chutzpah – just in time for IPCC AR5

From the European Geosciences Union  comes some unprecedented chutzpah with this statement from one of the authors at the end of the press release: “This study has been conducted with scientific motivations, but if the insight it provides can motivate … Continue reading

Posted in Glaciers | Tagged , , , , , , , | 56 Comments

It’s snowing, and it really feels like the start of a mini ice age – London Mayor Boris Johnson

Image Credit: Climate4You.com From The Telegraph – By London Mayor Boris Johnson “The Sun is god!” cried JMW Turner as he died, and plenty of other people have thought there was much in his analysis. The Aztecs agreed, and so … Continue reading

Posted in Little Ice Age, Politics, Snow, snowfall, Solar | Tagged , , , | 91 Comments

New paper demonstrates that climate responds to short and long-term changes in solar activity

(Via the Hockey Schtick) A new peer reviewed paper published in The Holocene finds a significant link between solar activity and climate over the past 1000 years. According to the authors: “Our results suggest that the climate responds to both … Continue reading

Posted in Solar | Tagged , , , | 143 Comments

The age old battle of the thermostat – the ‘Goredian’ Knot of global temperature

People send me stuff. Reader Kurt writes: I just found your excellent website and have book marked it and will visit it often for updates. One simple question the global warm-mongers have never been able to answer is…

Posted in Global cooling, Global warming, Little Ice Age | Tagged , , , , , , | 202 Comments

Haigh Anxiety: a psycho-comedy of errors

Guest post by Alec Rawls In an interview with NewScientist magazine, Imperial College professor of atmospheric physics Joanna Haigh scoffs at the idea that late 20th century warming could have been caused by the sun: Haigh points out that the … Continue reading

Posted in Cosmic rays, IPCC AR5 leak, Science, Solar | Tagged , , , , , | 446 Comments

More on Mark Hertsgaard’s ridiculous claims – The Goldilocks Crop and the Impending Extinction of Pasta

Guest Post by David Middleton Yesterday, WUWT covered the issue from one angle, and blew Hertsgaard’s riduculous claims out of the water. Today, here’s another independently arrived at conclusion that suggests Hertsgaard’s claims are pure fantasy. It is apparently becoming … Continue reading

Posted in Agriculture, Alarmism | Tagged , , , , , , | 78 Comments

On certainty: Truth is the Daughter of Time

This comment from Dr. Robert Brown at Duke University is elevated from a comment to a full post for further discussion. Since we have a new paper (Shepherd et al) that is being touted in the media as “certain” using … Continue reading

Posted in Climate data, Uncertainty | Tagged , , , , , , , | 191 Comments

The Atlantic Magazine’s ‘5 Charts About Climate Change That Should Have You Very, Very Worried’… Worried about scientific illiteracy.

Guest post by David Middleton I ran into this gem on Real Clear Energy this morning… The article cites terrifying new reports commissioned by the World Bank and the CIA and then launches into a graphical cornucopia of nonsense. The … Continue reading

Posted in Alarmism, Carbon dioxide, Climate Craziness of the Week, Climate FAIL, Climate_change, Current News, Disaster, Drought, Environment, extreme weather, Fun_stuff, Greenland ice sheet, Humor, media, Paleoclimatology, Tabloid Climatology, Wildfires | Tagged , , , , , , | 88 Comments

Speak loudly and carry a busted hockey stick

by Walter Starck (in Quadrant Online) The average temperature for the Earth, or any region or even any specific place is very difficult to determine with any accuracy.  At any given time surface air temperatures around the world range over … Continue reading

Posted in Climate News | Tagged , , , , | 138 Comments

Myths and Facts about Global Warming

From Friends of Science. Be sure to visit their page and bookmark it. COMMON MISCONCEPTIONS ABOUT GLOBAL WARMING MYTH 1:  Global temperatures are rising at a rapid, unprecedented rate. FACT:  The HadCRUT3 surface temperature index shows warming to 1878, cooling … Continue reading

Posted in Educational opportunity | Tagged , , , , , | 167 Comments