Quote:
Originally Posted by dcb
Also worth noting is that, unlike previous sharp temperature peaks, whatever that 100,000 odd year cycle is, temperatures are NOT dropping, but for now appear to be rising.
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It's been NOT dropping for a while - some 10.000 years since the last true ice age - i.e. long before human intervention could have caused it not to start dropping.
While 10.000 years may seem long, it's only the blink of an eye in geological terms. The more recent the data is, the more accurate it gets, too.
Recent history also shows what happens with some proxies : they not only store data, they also lose some of it - like when the proxy melts away.