According to a recent study published in Nature, almost 90,000 km2 of surface water, roughly equivalent to that of Lake Superior, have disappeared altogether and an additional total of 72,000 km2 have transitioned from a permanent state to a seasonal state over the past three decades. During the same period, a cumulative area of 184,000 km2 of permanent water … [Read more...] about Global Surface Water Increased but Water Quality Remains a Concern