ಚರ್ಚೆಪುಟ:ಮಾನವನ ವಿಕಾಸ

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ವಿಕಿಪೀಡಿಯದಿಂದ, ಇದು ಮುಕ್ತ ಹಾಗೂ ಸ್ವತಂತ್ರ ವಿಶ್ವಕೋಶ

೪/೫ ಸಾವಿರ ವರ್ಷಗಳಹಿಂದೆ ಆದ ಒಂದು ಮಾನವ ನಾಶಕಾರಕ ಪ್ರಳಯ[ಬದಲಾಯಿಸಿ]

How climate change ended world’s first great civilizations :(timesofindia.) David Keys,:The Independent | Mar 3, 2014, 01.54 PM IST:- The world's first great civilisations appear to have collapsed because of an ancient episode ofclimate change - according to new research carried out by scientists and archaeologists.

Their investigation demonstrates that theBronze Age 'megacities' of the Indus Valley region of Pakistan and north-west India declined during the 21st and 20th centuries BC and never recovered - because of a dramatic increase in drought conditions

Bschandrasgr ೧೧:೩೯, ೩ ಮಾರ್ಚ್ ೨೦೧೪ (UTC)