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 June 2013 for the period from 1965 up until 2012. The data is well corroborated by previous datasets published by the Guardian [ii] and Google…

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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 we discontinued the elevated emissions that are causing them. He was entirely justified in doing…

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 13C in every 100 molecules of CO2, the great majority being 12C. As CO2 concentration increases, the fraction of 13C in the atmosphere decreases –…

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 is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. Since part of this re-radiation is back towards the surface and the lower…