Looks like a duality of riches: CCNR#1
What elements of climate result in drought? And how is drought impacted by global warming? Here's a diary on surface water balance, and then some recent findings from climate change researchers on drought that the "primer" on water balance will help you better understand why reduction of greenhouse gas emissions is a social, economic, and political imperative.
A graphic telling the tale is below. The original study by NCAR (Meehl et al, 2007) was published in the Bulletin of the American Meteorological Society.
