Australian Broadcasting Corporation: A United States climate study says global warming will cause Australian deserts to get bigger and expand to the south.
The study's lead researcher William Lau, of the University of Maryland, said changes in atmospheric circulation was contributing to global dryness, in terms of a reduction of relative humidity in the sub tropics.
Dr Lau said he believed the changes were directly related to prolonged droughts.
"We provide a physical basis for inferring that greenhouse warming is likely to...