Extreme Drought and aridity is likely to increase within decades across much of Africa, Australia, North and South America, South west Asia, and around the Mediterranean Sea according to a new study by National Center for Atmospheric Research (NCAR) scientist Aiguo Dai.Earlier research published in 2005 by Aiguo Dai and scientists at the National Center for Atmospheric Research (NCAR) in the USA found that Global Warming is a major factor in Drought increasing globally.
Dai used 22 computer climate models and a comprehensive index of drought conditions, as well as analyses of previously published studies for his review. Extreme drought may reach such a scale in some regions by the end of the century that has rarely, if ever, been observed in modern times.

