Tag Archives: Carbon dioxide in Earth’s atmosphere

Dr. Vincent Gray on historical carbon dioxide levels

Posted on June 4, 2013 by

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 →

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

AGU says CO2 is plant food

Posted on May 31, 2013 by

Elevated carbon dioxide making arid regions greener 31 May 2013 AGU Release No. 13-24 WASHINGTON, DC—Scientists have long suspected that a flourishing of green foliage around the globe, observed since the early 1980s in satellite data, springs at least in … Continue reading →

Posted in Biomass | Tagged , , , , , , , | 64 Comments

The 400 PPM FUD Factory: T-shirts now available

Posted on May 11, 2013 by

Steve Milloy at JunkScience points out what is above the fold in the NYT today – FUD Fear, Uncertainty, Doubt Here’s his scan of the front page at right: Readers may recall my post What 400 ppm of CO2 in … Continue reading →

Posted in Climate News, Fun_stuff | Tagged , , | 114 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 curious case of rising CO2 and falling temperatures

Posted on May 8, 2013 by

Guest essay by Tony Brown Some readers might recall my recent article ‘The Long Slow Thaw?’ In this I reconstructed Central England temperature to 1538 from its current instrumental date of 1659. I was surprised by two notable periods of … Continue reading →

Posted in Uncategorized | Tagged , , , , , | 140 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

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

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

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

A climate of scepticism

Posted on January 18, 2013 by

Guest post by Philip Lloyd, Energy Institute, CPUT The world is getting a little warmer. Of that there is no doubt. The measurements by which we know that it is warming are poor. The figures are not accessible, and keep … Continue reading →

Posted in The Skeptic's Case | Tagged , , , , , , , | 144 Comments

A graphical look at worldwide CO2 numbers

Posted on November 23, 2012 by

Some numbers that you may find interesting, graphed by Ed Hoskins from France. Here’s more:

Posted in Carbon dioxide | Tagged | 118 Comments

New paper suggests that CO2 ‘…could prove to be our salvation from the next ice age’

Posted on November 8, 2012 by

From the University of Gothenburg , another head exploder for Joe Romm and company. Carbon dioxide – our salvation from a future ice age? Mankind’s emissions of fossil carbon and the resulting increase in temperature could prove to be our … Continue reading →

Posted in Carbon dioxide, Paleoclimatology | Tagged , , , , | 86 Comments

US shale gas drives up coal exports

Posted on October 30, 2012 by

From the University of Manchester US CO2 emissions from domestic energy have declined by 8.6% since a peak in 2005, the equivalent of 1.4% per year. However, the researchers warn that more than half of the recent emissions reductions in … Continue reading →

Posted in Uncategorized | Tagged , , , , | 53 Comments

New paper on climate sensitivity estimates 1.1 ± 0.4 °C for a doubling of CO2

Posted on October 5, 2012 by

This new paper (in review at the discussions section) at Climate of the Past has some interesting approaches  using Oxygen 18 isotope records from benthic foraminiferas acquired in Deep Sea Drilling project (DSDP) on the Kerguelen Plateau off the coast … Continue reading →

Posted in Climate sensitivity | Tagged , , | 152 Comments

An independent constraint on climate sensitivity

Posted on August 31, 2012 by

Guest post by Christopher Monckton of Brenchley Abstract Global CO2 emissions per unit increase in atmospheric CO2 concentration provide an independent constraint on climate sensitivity over the timescale of the available data (1960-2008), suggesting that, in the short term and … Continue reading →

Posted in Climate sensitivity | Tagged , , | 169 Comments

Earth’s CO2 sinks increasing their uptake

Posted on August 2, 2012 by

Readers may recall these WUWT stories:  Earth’s biosphere booming,  California’s giant redwoods inconveniently respond to increased carbon dioxide, and Forget deforestation: The world’s woodland is getting denser and change could help combat climate change. NASA satellite imagery pointed this out long ago. … Continue reading →

Posted in Carbon dioxide, Carbon sequestration | Tagged , , | 235 Comments

USA CO2 emissions may drop to 1990 levels this year

Posted on July 2, 2012 by

I graphed the EIA data, shown below. What is most interesting is that this is market driven, not mandate driven. Amazing Shale: US CO2 Emissions Plummet Towards 1990 Levels by John Hanger (via The GWPF) America’s carbon emissions may drop … Continue reading →

Posted in Carbon dioxide, Coal, Energy, natural gas, petroleum | Tagged , , , , , , , | 101 Comments

CO2 Is Greening The Planet: African Savannahs Getting a Makeover to Forests

Posted on July 2, 2012 by

I’ve covered this before, such as when NASA posted satellite data showing that the biosphere is booming thanks to CO2 fertilization. This new study from Goethe University in Frankfurt, Germany suggests that the Umbrella Thorn Acacia trees will make a … Continue reading →

Posted in Carbon dioxide, Forests, Land use land cover change, Positive effects of CO2 | Tagged , , , , , , , | 85 Comments

The Bern Model Puzzle

Posted on May 6, 2012 by

Guest Post by Willis Eschenbach Although it sounds like the title of an adventure movie like the “Bourne Identity”, the Bern Model is actually a model of the sequestration (removal from the atmosphere) of carbon by natural processes. It allegedly … Continue reading →

Posted in Carbon dioxide | Tagged , , , , , , , | 251 Comments

What – you mean we aren’t controlling the climate?

Posted on April 19, 2012 by

Correlation of Net CO2 emissions with climate properties shows that the growth in CO2 may be natural Story submitted by WUWT reader Steve Brown The narrative of the catastrophic anthropogenic global warming has been challenged at many levels but this … Continue reading →

Posted in Carbon dioxide, Climate sensitivity | Tagged , , , , , , , , | 253 Comments