Long Debate Ended Over Cause, Demise Of Ice Ages – Solar And Earth Wobble – CO2 Not Main Driver

The above image shows how much the Earth’s orbit can vary in shape. This process in a slow one, taking roughly 100,000 to cycle. (Credit: Texas A&M University)

From Watts Up With That:

Long debate ended over cause, demise of ice ages – may also help predict future.
CORVALLIS, Ore. – A team of researchers says it has largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years – they are ultimately linked to slight shifts in solar radiation caused by predictable changes in Earth’s rotation and axis.

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