What kinds of genetic changes are required to evolve significant changes in body shape and size? The availability of affordable, state-of-the-art DNA sequencing and array technology has made it possible to study evolution at a level of molecular detail inaccessible just a decade ago.
Water has an economic value in all its competing uses and should be recognized as an economic good
The Dublin Statement on Water and Economic Development

In a warming world, will people fight over dwindling water supplies?  Will there be water wars?  What has economics to teach us about this?  As glaciers recede, as lakes and rivers dry up, what then of the laws of supply and demand?  What then of property rights and the free ride principle*?

..........................................................
The War Of The Wells