Climate Change Collapse of Ancient Civilization

No mention of CO2 but great emphasis on the the fact that 'All climate on Earth is driven by the sun'.

'The mysterious fall of the largest of the world's earliest urban civilizations nearly 4,000 years ago in what is now India, Pakistan, Nepal and Bangladesh now appears to have a key culprit — ancient climate change, researchers say.'

Some of the links in the article are worth following.

Support for some of the contentions in the above linked paper are here.

And what caused climate change 4000 years ago? Not your SUV but your SUN.

Change is what the climate does. Always has. Always will.