Remind me again why the west needs a carbon tax?

Man-made CO2 emissions 1965 -2012 Guest Essay by Ed Hoskins The following calculations and graphics are based on information on worldwide national CO2 emission levels published by BP [i] in…

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 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…

China's "Emission Cuts" Not What They Seem

By Paul Homewood http://europe.chinadaily.com.cn/business/2013-11/21/content_17120968.htm “and make sure that the commitment of reducing CO2 emission per unit of GDP by 40-45% by 2020 from 2005 level is fulfilled” We often hear…

Excerpts from Murry Salby's Slide Show

UPDATED – see below Monckton provides these slides for discussion along with commentary related to his recent post on CO2 residence time – Anthony There is about one molecule of…

Warmism: Credible Politics, Incredible Science

Guest essay by Paul Murphy Here’s Wikipedia’s simplified but canonical description of the greenhouse effect:   The greenhouse effect is a process by which thermal radiation from a planetary surface…

Study: The Late Cretaceous Period was likely ice-free

From the University of Missouri-Columbia COLUMBIA, Mo. – For years, scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago…

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…

An Evidence-Based Approach To Pricing CO2 Emissions

PRESS RELEASE New Paper Proposes Cost-Effective Climate Policy That Gets Around Key Scientific Uncertainties London: A new paper, published today by the Global Warming Policy Foundation, proposes a radical new…

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…

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,…

AGU says CO2 is plant food

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 400 PPM FUD Factory: T-shirts now available

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…

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…

The curious case of rising CO2 and falling temperatures

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…

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…

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…

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…

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

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…

A climate of scepticism

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…

A graphical look at worldwide CO2 numbers

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

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

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…

US shale gas drives up coal exports

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…

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

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…