Climate and Carbon: The Link Just Got Stronger | Climate Central - 0 views
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Kathy Gorski on 05 Apr 12Climate scientists have long argued that ancient air trapped in Antarctic ice is the smoking gun that links carbon dioxide to global warming. Over the past 800,000 years or so the planet has gone through a series of ice ages interspersed with relatively warm periods (during which glaciers retreat back toward the poles) - and inevitably, these warm interludes happen when there's more CO2 in the atmosphere