Scientific studies on nine major waterways reveal an 'alarming' pollution by small particles. For the first time, a bacterium ...

By 1974, they had taken 81,000 photos. The National Archives ... sewage is discharged into the South Platte River. In the late 1980s, the air pollution got so bad, the city developed a visibility ...

a Hindu religious festival which includes a sacred pilgrimage to the river. Tests showed that biochemical oxygen demand (a measure of organic pollution) was double the acceptable level set by ...

floating snake-like divider across the United States' portion of the Tijuana River, which will collect garbage as part of ongoing efforts to reduce pollution in the South Bay. The floating trash ...