7. This abysmal state of Colorado river is due to the catastrophic mine spill. As per researchers, this is now posing a great heath risk to the area. 1 2 3 4 5 6 7 8 Facebook Twitter Google+ Linkedin Pinterest Article Tags: air polution · Effects and Consequences of Pollution · Featured · land pollution · noise pollution · Pollution · Pollution in India · water pollution Article Categories: Specials · World