Water pollution is a rising global crisis. Here’s what you need to know. The world's freshwater sources receive contaminants from a wide range of sectors, threatening human and wildlife health.

They are an often overlooked source of water pollution and disease transmission. In the graphic below, the top map shows the portion of homes in each state that use septic systems. Darker colors ...

Water Matters. Europe's water is under increasing pressure. Pollution, droughts, floods are taking their toll on our drinking water, lakes, rivers and coastlines.