ChrisHibbert comments on Undiscriminating Skepticism - Less Wrong

97 Post author: Eliezer_Yudkowsky 14 March 2010 11:23PM

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Comment author: ChrisHibbert 16 March 2010 03:20:39AM *  0 points [-]

the temperature change is not uniform everywhere

But it's non-uniform enough that some people are observing warming and some are observing cooling. So it seems clear from a perspective that accepts the terms of the claim that all purely local observations are uninformative.

second, the effects of such changes on weather may be noticeable in ways other than simple warming (e.g. more extreme weather events).

Tracking extreme weather events from a local perspective seems likely to give even less reliable results than looking for trends in your local climate.

If you accept the terms of the debate, you have to hope for non-biased global observations that are properly normed against a long baseline in order to make any decisions about what weather evidence counts for or against the positions. At this point, I'm having a hard time finding any non-biased observations.

Comment author: RobinZ 16 March 2010 03:40:12AM *  2 points [-]

Fair enough - I was quibbling, to a large part because:

  1. The weather in my home region has gotten weird compared to my childhood - many mild winters and summer droughts, for example.

  2. An Alaskan on DeviantArt a while ago wrote a prose piece about how she was always freezing, never warming enough in the summer to withstand the following winter ... and prefaced it with a matter-of-fact note about how that wasn't the case in recent years.

Hence, when you commented that "[i]t's not like a normal person, can observe such changes", that seemed to contradict my own experiences. But given the prior attitude effect, my experiences should probably be discounted a fair bit.