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It's the sun It's not bad There is no consensus It's cooling
Models are unreliable Temp record is unreliable Animals and
plants can adapt It hasn't warmed since 1998 Antarctica is
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Register here Forgot your password?  Latest Posts   Why does CO2
lag temperature?  Posted on 9 January 2010 by John Cook  Over
the last half million years, our climate has experienced long
ice ages regularly punctuated by brief warm periods called
interglacials. Atmospheric carbon dioxide closely matches the
cycle, increasing by around 80 to 100 parts per million as
Antarctic temperatures warm up to 10°C. However, when you look
closer, CO2 actually lags temperature by around 1