Tag Archives: Carbon dioxide

The Lewis and Crok exposition – Climate less sensitive to Carbon Dioxide than most models suggest

Full papers plus additional comments from co-author Nic Lewis follow. I have added some relevant diagrams and tables from the report, plus reproduced the foreword by Dr. Judith Curry as well as updated the summary Equilibrium Climate Response Graph originally … Continue reading

About these ads
Posted in Climate News, Climate sensitivity, IPCC | Tagged , , , , , , , | 106 Comments

CO2 Residence Times, Take Two

Guest essay by Joe Born In a recent post Christopher Monckton identified me as a proponent of the following proposition: The observed decay of bomb-generated atmospheric-carbon-14 concentration does not tell us how fast elevated atmospheric carbon-dioxide levels would subside if … Continue reading

Posted in Carbon dioxide | Tagged , | 209 Comments

US Carbon Dioxide Emissions – down by source

I’ve often said my email is like a fire hose. Here’s an example of something that got lost in the stream and I didn’t find it until last night while looking for another email. Zeke Hausfather writes (In August 2012): … Continue reading

Posted in Carbon dioxide, carbon tax | Tagged , , , , , , , | 42 Comments

Is the Bern Model Non-Physical?

Guest essay by Joe Born Is the Bern Model non-physical? Maybe, but not because it requires the atmosphere to partition its carbon content non-physically. A Bern Model for the response of atmospheric carbon dioxide concentration to anthropogenic emissions is arrived … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , , | 129 Comments

Is Greenpeace facing its Warsawgrad?

Guest opinion by Fred F. Mueller In large-scale wars, there are sometimes prolonged periods of fierce clashes with neither side being able to place the decisive blow that will ultimately tilt the balance in its favor. Then all of a … Continue reading

Posted in COP conferences, Opinion | Tagged , , , , , , , | 123 Comments

On CO2 residence times: The chicken or the egg?

While some model based claims say that CO2 residence times may be thousands of years, a global experiment in measurable CO2 residence time seems to have already been done for us. By Christopher Monckton of Brenchley Is the ~10-year airborne … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 292 Comments

From 90% to 95% confidence level: How IPCC claims can be at the same time consistent and absurd.

We have been expecting too much from the IPCC about its confidence level increase: the explanation may actually be simple… and surprising. Guest essay by Stephane Rogeau Image: From IPCC FAQs Many people are wondering what actually made the IPCC … Continue reading

Posted in IPCC, IPCC AR5 Report | Tagged , , , , , , , | 95 Comments

Claim: Safe long term storage of CO2 is possible

From the GFZ GeoForschungsZentrum Potsdam, Helmholtz Centre , probably too little too late, as CO2 sequestration projects worldwide are closing. Conclusion of an international project for the geological storage of carbon dioxide Potsdam, 07.11.2013 | At the final conference of … Continue reading

Posted in Carbon sequestration | Tagged , | 105 Comments

Submission to EPA hearing on ‘carbon pollution’ standards

Currently no scientific or logical basis for regulation of CO2 emissions, logician tells EPA Guest essay by Terry Oldberg Submitted to the EPA’s Public Listening Session on 111(d) Carbon Pollution Standards For Existing Power Plants  November 5, 2013 in San … Continue reading

Posted in EPA | Tagged , , , , | 38 Comments

Climate change is dominated by the water cycle, not carbon dioxide

Guest essay by Steve Goreham Originally published in The Washington Times Climate scientists are obsessed with carbon dioxide. The newly released Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) claims that “radiative forcing” from human-emitted CO2 is … Continue reading

Posted in IPCC, Oceans, PDO | Tagged , , , , | 138 Comments

RSS global temperature data: No global warming at all for 202 months

Guest essay by Christopher Monckton As soon as the BBC/Maslowski forecast of no sea ice in the Arctic summer by 2013 has been disproven (see countdown on right sidebar), WUWT will need another countdown. May I propose the Santer countdown? … Continue reading

Posted in Climate data, Hiatus in Global Warming | Tagged , , , , , , , | 190 Comments

Climate of Failure: how alternate energy dreams are pie in the sky solutions for emissions

Dr. Roger Pielke Jr. had a worthwhile guest essay in Foreign Policy titled: Climate of Failure published last year that Dr. Judith Curry has made a post about today that she calls a “good topic for Sunday discussion”. I agree. … Continue reading

Posted in Climate News, Energy, nuclear power, Opinion, thorium power | Tagged , , | 144 Comments

CO2 calculation in the global carbon cycle may be off due to a depth error

It seems that a simple assumption about where to measure CO2 in the ocean surface has drastic implications. via The Hockey Schtick New paper finds global carbon cycle datasets may be biased A paper published today in Global Biogeochemical Cycles … Continue reading

Posted in Carbon dioxide, Oceans | Tagged , , , | 73 Comments

Friday Funny – Katharine Hayhoe: only YOU can control the climate!

@bkparallax @IamDonCheadle the power to change climate lies in hands of every individual on the planet, not a single gov't–or technology!— Katharine Hayhoe (@KHayhoe) August 29, 2013 With the way Hayhoe described that, I couldn’t help think of, and embellish, … Continue reading

Posted in Humor, Satire | Tagged , , , , | 49 Comments

An illustration that CO2 won’t roast the Earth in a runaway tipping point…

…because the Earth has experienced massive CO2 pulses and  recovered before. From the something you don’t see every day department comes this graph:

Posted in Carbon dioxide, Paleoclimatology | Tagged , , , | 108 Comments

Global Warming = Climate Change

Guest Essay by Ed Hoskins This short essay questions the actions to combat Global Warming / Climate Change from three points of view: The Temperature Context Man-made CO2 emissions 1965 -2012. The Significance and Influence of Carbon Dioxide CO2 The … Continue reading

Posted in Climate_change, Global warming | Tagged , , , , , , , | 84 Comments

Nature puts methane hydrate fears to rest – says it will be 1,000 years before they make any impact

WUWT reader “Jos” advises in Tips and Notes of this essay in Nature’s Knowledge Project. Excerpts follow: Methane Hydrates and Contemporary Climate Change Concern about the long-term stability of global gas hydrate deposits is rooted in the potential impact that … Continue reading

Posted in Methane | Tagged , , , , , | 27 Comments

Another benefit of increased CO2 – trees use water more efficiently

Warmist, document thief, and water expert Peter Gleick must be terribly conflicted by this news from USDA. Trees Using Water More Efficiently as Atmospheric Carbon Dioxide Rises DURHAM, NH, July 10, 2013 – A study by scientists with the U.S. … Continue reading

Posted in Carbon dioxide, Climate News, Forests | Tagged , , , , | 73 Comments

Deserts ‘greening’ from rising CO2

From CSIRO and “increased CO2 has benefits” department:  Increased levels of carbon dioxide (CO2) have helped boost green foliage across the world’s arid regions over the past 30 years through a process called CO2 fertilisation, according to CSIRO research. In … Continue reading

Posted in Carbon dioxide | Tagged , , , | 126 Comments

The bombtest curve and its implications for atmospheric carbon dioxide residency time

Studies of Carbon 14 in the atmosphere emitted by nuclear tests indicate that the Bern model used by the IPCC is inconsistent with virtually all reported experimental results. Guest essay by Gösta Pettersson The Keeling curve establishes that the atmospheric … Continue reading

Posted in Carbon dioxide, IPCC | Tagged , , , , | 519 Comments