Originally posted by canoe
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People can still choose and many will choose to not believe it, my personal opinion is if we are causing the temperature changes we are going to keep doing it regardless of what data people show anyway. Mankind is pretty predictable in certain situations.
As to the concept passing a test I have no idea how you do a controlled test on changes and their effects to a global atmospheric system.
Now currently my position has passed the initial test, as the numbers do seem to match fairly well, but the historical data are very rough - we don't really have what we would call good data on solar output that is older than about 2 or 3 decades. Global temperature data is actually a little better, but it's also tough to nail down the finer points historically. So even though things seem to match up well and common sense reinforces the idea, that doesn't mean that anyone can say definitively that it IS the Sun.
In contrast, the industrial CO2-greenhouse-global warming theory has not even passed its initial test: historical data don't really show a good correlation between C02 levels and global temperature.
-dale
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