7 MAY 2013
Sydney - Gigantic animals which once roamed Australia were mostly extinct by the time humans arrived, according to a new study on Tuesday which suggests climate change played the key role in their demise.
For decades, debate has centred on what wiped out megafauna such as the rhinoceros-sized, wombat-like Diprotodon, the largest known lizard, and kangaroos so big that scientists are studying whether they could hop.
Click here to read more: http://www.iol.co.za/scitech/science/discovery/climate-change-killed-megafauna-study-1.1511418#.UYlYv6KNmSo
Source: IOL Scitech