Category Archives: Carbon dioxide

Premature 400 PPM fail-a-bration

Posted on May 13, 2013 by

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 →

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

The Spencer Challenge to Slayers/Principia

Posted on May 11, 2013 by

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

Posted on May 10, 2013 by

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

Posted on May 9, 2013 by

 ‘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

Posted on May 8, 2013 by

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

Posted on May 7, 2013 by

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

Posted on April 27, 2013 by

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?

Posted on April 18, 2013 by

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

Posted on April 5, 2013 by

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

A misinterpreted claim about a NASA press release, CO2, solar flares, and the thermosphere is making the rounds

Posted on March 28, 2013 by

I loathe having to write this story because I truly dislike giving any attention to the people who are known as the “slayers” from the “Slaying the Sky Dragon” book. They now operate under the moniker of “Principia Scientific”. But, … Continue reading →

Posted in Carbon dioxide, Opinion, Ridiculae, solar flare | Tagged , , , , | 126 Comments

Enivronmentalists worst nightmare? GMO’d ‘frankenbugs’ could make fuel directly from CO2

Posted on March 27, 2013 by

From the University of Georgia: UGA discovery may allow scientists to make fuel from CO2 in the atmosphere Athens, Ga. – Excess carbon dioxide in the Earth’s atmosphere created by the widespread burning of fossil fuels is the major driving … Continue reading →

Posted in Carbon dioxide, Curious things, Energy | Tagged , , , , , , | 130 Comments

Dispelling myths about global warming

Posted on March 25, 2013 by

CO2 did not drive the rapid warming of the 20th century. Story submitted by Stan Robertson The difference between a good idea and a bad idea is often a quantitative matter. For example, many people would think it a good … Continue reading →

Posted in Carbon dioxide | Tagged , , , , | 139 Comments

How well did Hansen (1988) do?

Posted on March 20, 2013 by

Guest Post by Ira Glickstein. The graphic from RealClimate asks “How well did Hansen et al (1988) do?” They compare actual temperature measurements through 2012 (GISTEMP and HadCRUT4) with Hansen’s 1988 Scenarios “A”, “B”, and “C”. The answer (see my … Continue reading →

Posted in Carbon dioxide, Forecasting, Modeling, NASA GISS | Tagged , , , , , , , , | 212 Comments

Impractical Proposal: Dry Ice Sequestration on Antarctic Ice Sheets

Posted on March 3, 2013 by

An updated proposal to store CO2 on Antarctica Story submitted by John Tillman Story body: In 1995 two Japanese scientists suggested storing carbon dioxide in Antarctic ice caves.  Now three scientists at Purdue have published a more elaborate and detailed … Continue reading →

Posted in Antarctic, Carbon dioxide, Carbon sequestration | Tagged , , , | 62 Comments

Global Warming to Endanger Breakfast by 2080!!!

Posted on February 27, 2013 by

Guest Post by David Middleton First it was wheat and now it’s coffee. What’s next? Bacon & eggs? This is nothing but alarmist nonsense… Researchers at the Royal Botanic Gardens in Kew and the Environment and Coffee Forest Forum in … Continue reading →

Posted in Agriculture, Alarmism, Carbon dioxide, IPCC, James Hansen, Positive effects of CO2, Temperature | Tagged , , , | 61 Comments

Now what is ‘death train’ Hansen going to do? Clean coal process developed to extract energy without burning or CO2

Posted on February 20, 2013 by

From James Hansen’s, Bill McKibben’s and Joe Romm’s worst nightmare department, comes this uplifting science story from the Ohio State University. Basically they found a way to oxidize coal and extract energy without releasing any CO2. When a team of … Continue reading →

Posted in Carbon dioxide, Carbon sequestration, Coal, Energy | Tagged , , , , | 191 Comments

The war on bugs affects the oceans and CO2 exchange

Posted on February 13, 2013 by

From Oregon State University A war without end — with Earth’s carbon cycle held in the balance CORVALLIS, Ore. – The greatest battle in Earth’s history has been going on for hundreds of millions of years, isn’t over yet, and … Continue reading →

Posted in Carbon dioxide, Oceans | Tagged , , | 29 Comments

Study: plate tectonics modulates volcanic activity, which in turn modulates climate forcings

Posted on February 8, 2013 by

From Rice University comes this study that tries to equate an analog circuit component onto a climate forcing component. It is an interesting approach. The idea that plate tectonics serves to modulate episodic volcanic activity also makes sense. Volcano location … Continue reading →

Posted in Carbon dioxide, Volcanoes, Vulcanism | Tagged , , , | 71 Comments

Lord Stern’s Mathematical Malapropisms

Posted on January 27, 2013 by

Guest Post by Willis Eschenbach I see the good Lord Stern is back in the news. Lord Stern famously produced an eponymous report a few years ago about how much it would cost to cut down carbon dioxide to try … Continue reading →

Posted in Carbon dioxide, Stern Review | Tagged , , , , , , | 95 Comments

Burt Rutan: ‘This says it all and says it clear’

Posted on January 23, 2013 by

People send me stuff. Engineer and aerospace pioneer Burt Rutan writes to me in an email today: The chart the Alarmists do not want you to see.  Human Carbon emissions vs. The ‘Gold Standard’ global temperature data set (chart from … Continue reading →

Posted in Carbon dioxide, Climate data | Tagged , , | 158 Comments