[LINK] Propaganda, manipulation and the abuse of media [Was: IPA, astroturfing and fantsy themes/Science under attack]

[Bernard Robertson-Dunn]

On 22/02/2012 3:51 PM, David Boxall wrote:
> On 22/02/2012 3:18 PM, Bernard Robertson-Dunn wrote:
>> ...
>> If the climate scientists keep making predictions that turn out to be in
>> conflict with subsequent observations ...
> Have they actually done that? The article to which you link doesn't
> support your statement. It reports a previously unknown phenomenon and
> speculation about possible effects.
>
> So far, hasn't observation shown the predictions to be conservative?
>

I believe so, but can we be sure that things will carry on behaving the 
same way?

Exponential change can look a lot like linear change, especially when 
there is noise and error in the measurement. Limits can suddenly be 
reached. The colloquial expression is "tipping point".

-- 

Regards
brd

Bernard Robertson-Dunn
Canberra Australia
email:   brd at iimetro.com.au
website: www.drbrd.com



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