Category Archives: Carbon dioxide

Another known unknown – volcanic outgassing of CO2

It seems there’s really no complete measurements on how much CO2 is coming out of volcanoes, both active and inactive. From Livescience: Long Invisible, Research Shows Volcanic CO2 Levels Are Staggering (Op-Ed) … In 1992, it was thought that volcanic … Continue reading

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Posted in Carbon dioxide, Volcanoes | Tagged , | 136 Comments

Why and How the IPCC Demonized CO2 with Manufactured Information

Guest essay by Dr. Tim Ball Elaine Dewar spent several days with Maurice Strong at the UN and concluded in her book The Cloak of Green that, “Strong was using the U.N. as a platform to sell a global environment … Continue reading

Posted in Carbon dioxide, IPCC | Tagged , , , , , , , | 291 Comments

EPA to “listen” to (then presumably ignore) the public on power plant CO2 emissions

I’m posting this list of meetings at major cities around the USA in case anyone wishes to go and make your case. Based on my previous experiences, in my opinion, the EPA only does this for show, and they aren’t … Continue reading

Posted in Carbon dioxide, Coal, Energy, EPA | Tagged , , | 128 Comments

Climate Craziness of the Week: Plants blamed for us not roasting since 1950

From the Department of irrelevant “what ifs”, and Princeton University, comes this story about what Earth would be like if we didn’t have plants pumping the carbon cycle since the industrial revolution. They seem almost disappointed we don’t have a … Continue reading

Posted in Biomass, Carbon dioxide, Carbon sequestration, Climate Craziness of the Week | 140 Comments

Messaging fail – almost half of Pew survey respondents don’t know the ‘CO2 warms the atmosphere’ claim

People send me stuff. In my Inbox today was a link to a Science Poll conducted by the Pew Research Center. The aim of the poll was to gauge American knowledge of science and it is a parallel poll to … Continue reading

Posted in Carbon dioxide, Opinion, Science | Tagged , , | 189 Comments

Retro 3D climate model applied to faint young sun paradox

From the AGU weekly highlights: Evaluating solutions to the faint young Sun problem During the Archean eon, between about 3.8 billion years ago and 2.5 billion years ago, the Sun was about 20 to 25 percent fainter than it is … Continue reading

Posted in Carbon dioxide, Paleoclimatology, Solar | Tagged , , , , , , , , | 96 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

Claim: CO2 ended the last ice age

From Oregon State University Study explains early warming of West Antarctica at end of last ice age CORVALLIS, Ore. – West Antarctica began emerging from the last ice age about 22,000 years ago – well before other regions of Antarctica … Continue reading

Posted in Carbon dioxide, Paleoclimatology | Tagged , , | 91 Comments

NSF says biosphere is breathing in CO2 more deeply

Press Release 13-139 Seasonal carbon dioxide range expanding as more is added to Earth’s atmosphere Northern Hemisphere land-based ecosystems “taking deeper breaths,” scientists find Levels of carbon dioxide in the atmosphere rise and fall each year as plants, through photosynthesis … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 89 Comments

What the ‘year of living dangerously’ at nearly 400 ppm of CO2 in Earth’s atmosphere looks like

Those that want to make today’s weather seem like the “worst ever” often make ludicrous claims trying to link weather to high CO2 levels. For example, that extra CO2 gives the weather “personality“, or even more extreme linkage, like this: … Continue reading

Posted in Carbon dioxide, extreme weather | Tagged | 133 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

Quote of the Week – ‘high school’ climate science

A poll follows, a first for QOTW. Sometimes in the climate wars when things get ridiculous and emotional we often ask or see asked “what is this, high school”? A classic example is Al Gore’s “high school physics” when it … Continue reading

Posted in Al Gore, Carbon dioxide, Quote of the Week | Tagged , , , , | 84 Comments

Earth’s self regulation of Carbon Dioxide is remarkably stable

From CSIRO: “What we learned is that in spite of droughts, floods, volcano eruptions, El Niño and other events, the Earth system has been remarkably consistent in regulating the inter-annual variations in atmospheric carbon dioxide levels,” Tropical ecosystems regulate variations … Continue reading

Posted in Carbon dioxide, Earth | Tagged , , | 72 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

Grade school science howler from Ken Caldeira: ‘CO2…forms carbonic acid (the same thing that makes soda fizz)’

From the Carnegie Institution , where soda pop science is like a carbonic acid trip, they say (thanks to modeling) we have to make big changes:  “To save coral reefs, we need to transform our energy system…” while equating natural … Continue reading

Posted in Carbon dioxide, Oceans | Tagged , , , , , , , | 136 Comments

‘plug-and-play’ CO2 Scrubbers

From MIT, while “plug-and-play” is cited, it’s just a paper. Getting the carbon out of emissions Proposed method could be more efficient than previous systems and easier to retrofit in existing power plants. CAMBRIDGE, Mass. — Many researchers around the … Continue reading

Posted in Carbon dioxide, Carbon sequestration | Tagged , , , , , , , | 69 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

DOE Green Energy Loans: $11.45 million per job and a rounding error’s worth of averted carbon emissions.

Guest Post by David Middleton The cost of each taxpayer-financed green energy job created since 2009: $26.32 billion divided by 2,298 jobs = $11.45 million per job… Green energy jobs and DOE loans are tallied under programs 1703 and 1705 … Continue reading

Posted in Carbon dioxide, Coal, Energy, Government idiocy, natural gas, Politics, solar power | Tagged , , , , , , , | 55 Comments

CO2 by the numbers: having the courage to do nothing

Guest essay by Ed Hoskins. Some simple numbers on the effect of CO2 concentration on temperature As the temperature increasing effect of atmospheric CO2 is known to diminish logarithmically with increasing concentration, these notes clarify the actual amount of warming … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 157 Comments

King Canuccitelli plans to tax carbon right out of the air

Many readers know the story of the Viking turned King who was said to be able to hold back the sea, only to realize that he had no such power. King Canute the Great, the legend says, seated on his … Continue reading

Posted in Carbon credits, Carbon dioxide, carbon tax, Government idiocy, Opinion | Tagged , , , , , , , , | 108 Comments

Dr. Vincent Gray on historical carbon dioxide levels

NZCLIMATE TRUTH NEWSLETTER NO 312 JUNE 4th 2013 CARBON DIOXIDE There are two gases in the earth’s atmosphere without which living organisms could not exist. Oxygen is the most abundant, 21% by volume, but without carbon dioxide, which is currently … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 115 Comments

An Engineer’s Take On Major Climate Change

Guest essay by Ronald D. Voisin Let’s examine, at a high and salient level, the positive-feedback Anthropogenic Global Warming, Green-House-Gas Heating Effect (AGW-GHGHE) with its supposed pivotal role for CO2. The thinking is that a small increase in atmospheric CO2 … Continue reading

Posted in Carbon dioxide | Tagged , , , , , , , | 204 Comments

Gosh, ‘hidden’ climate change may threaten eelgrass meadows

From the University of Gothenburg , the stuff that keeps some people awake at night. A question; why should we care? And, why should we take any of this seriously when you do things like “We raised the water temperature … Continue reading

Posted in Biomass, Carbon dioxide | Tagged , , , , , , , , | 41 Comments

Study says global warming caused by CFCs interacting with cosmic rays, not carbon dioxide

From the University of Waterloo, an extraordinary claim. While plausible, due to the fact that CFC’s have very high GWP numbers, their atmospheric concentrations compared to CO2 are quite low, and the radiative forcings they add are small by comparison … Continue reading

Posted in Carbon dioxide, CFC's, Climate News, Cosmic rays, Ozone | Tagged , , , , , , , | 182 Comments

Premature 400 PPM fail-a-bration

It seems we didn’t reach 400PPM last week after all. The data has been revised. Ooops. ‘Carbon dioxide measurements in the Earth’s atmosphere did not break the symbolic milestone of 400 parts per million at a Hawaiian observatory last week, … Continue reading

Posted in Carbon dioxide | Tagged , , , , | 106 Comments

The Spencer Challenge to Slayers/Principia

Dr. Roy Spencer has made a challenge to the Slayers/Principia folks who keep insisting the greenhouse effect doesn’t exist at all. For example, see the front page claim at right from the Principia web page where they claim the greenhouse … Continue reading

Posted in Carbon dioxide, Opinion | Tagged , , , | 44 Comments

Mauna Loa hits 400 PPM of CO2, alarmists wail and gnash teeth, Earth survives

Source: http://www.esrl.noaa.gov/gmd/ccgg/trends/weekly.html Al Gore calls for a day of prayer and reflection, and bothering your neighbor: So please, take this day and the milestone it represents to reflect on the fragility of our civilization and and the planetary ecosystem on … Continue reading

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

WSJ op-ed by Schmitt and Happer: In Defense of Carbon Dioxide

 ‘The incredible list of supposed horrors that increasing carbon dioxide will bring the world is pure belief disguised as science’ – Dr. William Happer: The demonized chemical compound is a boon to plant life and has little correlation with global … Continue reading

Posted in Carbon dioxide, Opinion | Tagged , | 28 Comments

The effectiveness of CO2 as a greenhouse gas becomes ever more marginal with greater concentration

The political target of limiting the effect of Man-made global warming to only +2⁰C can never be attained. Guest essay by Ed Hoskins According to well understood physical parameters, the effectiveness of CO2 as a greenhouse gas diminishes logarithmically with … Continue reading

Posted in Carbon dioxide, IPCC | Tagged , , , , , , , | 155 Comments

What 400 ppm of CO2 in the atmosphere looks like

The results are in, and it looks like this.

Posted in Carbon dioxide, Satire | 154 Comments

Good news! Elevated CO2 may extend interglacial, prevent next ice age

Reader “Markx” writes in Tips and Notes on a paper I hadn’t noticed before (because it was published before WUWT was born). Of course it only works if CO2 has a long residence time and/or our elevated emission levels continue. … Continue reading

Posted in Carbon dioxide, Positive effects of CO2 | Tagged , , | 110 Comments

Numeracy in Climate Discussions – how long will it take to get a 6C rise in temperature?

The answer may surprise you Note: This essay is a result of an email discussion this morning, I asked Dr. Happer to condense and complete that discussion for the benefit of WUWT readers. This is one of the most enlightening … Continue reading

Posted in Carbon dioxide, Climate sensitivity | 238 Comments

USA meets Kyoto protocol goal – without ever embracing it

New EIA data shows USA inadvertently meets 1997 Kyoto protocol CO2 emission reductions without ever signing on thanks to a stagnant economy. Lowest level of CO2 emissions since 1994. In 2012, a surprising twist and without ever ratifying it, the … Continue reading

Posted in Carbon dioxide, Politics | Tagged , , , | 83 Comments