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OT: Moorabal/Lal Lal wind farm 24-Jun-2009 At 10:04:02 AM anthonyk

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On 24/06/2009 TonyB wrote:
>>...degree avg temperature earth, hardly minor.
>
>Read my post. The greenhouse effect play a minor role in temperature
>CHANGES.

maybe normally, which is why anthropogenic emissions have a significant effect in changing climate.

but saying it plays a minor role in temperature changes is complete BS, have a read about the Permian-Triassic extinction event, the greatest mass extinction in earths history, which was largely driven by a runaway greenhouse effect.

>>are you going to enlighten us with what the other forcings are thats
>causing
>>the current warming if its not our CO2 then?
>
>Have you watched Bob Carter's videos ... these videos demonstrate how
>global temperatures have been rising and falling for billions of years
>... all without any help from man !

I know plenty about what has caused previous natural climate changes, but
none of them explain current variations. and thats exactly what we're asking,
if you think the earths tilt is to blame, show that there is CURRENT variation
in the earths tilt that is enough to explain current variations in temperature.
same for orbit, cosmic rays etc etc. spouting names of other ppl who COULD have
murdered the victim gets nowhere in proving that they DID, you need evidence.

and thats where skeptics fall on their face. we have a plausible model that human emissions cause current observed temperature changes. what skeptics need to show is an alternative model that explains what we're seeing, in detail, and show that it is MORE plausible than existing models.