Matt Huber explains how the link between CO2 and past climates is a key factor to assessing future global warming.
21st Jun 2012
Thanks for these videos and for the overall effort put into Thin Ice.
I was wondering if there is a clip to show the 5 or so main ice age periods on earth in order to get concept of where we are now within the current ice age.
This may then give an idea of where the current 'warming' fits into Matt's video clip
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