The growth in global population and economic development has resulted in tremendous pressures on existing sources of fresh water. Human water use over the past three centuries increased by a factor of thirty-five and is growing by four to eight percent annually. Coupled with recurring...

The United States and Mexico are geographic neighbors with high economic asymmetry, but also a shared history and intense social, cultural, economic, and security relations. Over 15 million people reside along the U.S.-Mexico border and share an environment that includes many watersheds and air...

Although climate change is expected to have major consequences that affect the global environment in its broadest sense, one of the earliest and most direct impacts will be on Earth's fresh water systems. While some regions will experience increased precipitation, others will suffer serious...