Innocent Bystander Lynched

I live in SE Queensland. Yesterday the surface air temperature rose from a frosty 2ºC at sunrise to a balmy 22ºC in mid-afternoon. The enormous heat needed to achieve this 20ºC of warming came via radiation from the sun. Carbon dioxide in the atmosphere plays no significant part in this daily heating event – in fact it may intercept a tiny proportion of the incoming solar radiation and re-radiate it in all directions, thus keeping the daytime surface temperature a tiny bit cooler than it would have been otherwise. At the deep Mount Isa Mine in NW Queensland, the surface temperature may average about 25ºC but it increases by about 1ºC every 50 metres of depth – rock walls are red hot in places. The enormous heat causing this comes via conduction from Earth’s geothermal heat plus some oxidation and heating of the sulphide ores as they come in contact with natural air containing oxygen. Carbon dioxide in the atmosphere plays no part in this heating.

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