Overpumping groundwater, worsening droughts and more rapid evaporation due to higher temperatures have caused a drastic decline in the amount of available freshwater, according to a new study.“Continental drying” has redirected the planet’s total water to the oceans to such degree that it has now surpassed melting ice sheets as the biggest contributor to global sea level rise, the research found. Losses of land-based water could have profound implications for access to safe drinking water