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Chicago can have its green river. Water Quality and Industrial Surveillance Investigator Kelsey Amidon shows us how we go green (green dye, actually) to protect water quality. Fluorescent dye helps our investigators trace the source and destination of flows in our streams and sewers, and the glowing-green dye is...

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The melodious tones of James Earl Jones’ golden pipes grace the narration track of this Cuyahoga River documentary from 1978. This clip features JEJ reading text from an infamous Time Magazine article that followed the 1969 river fire. (function(d, s, id) { var js, fjs = d.getElementsByTagName(s); if (d.getElementById(id))...

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That familiar scent has a name: Petrichor. But since being named in a 1964 report, the actual cause of the after-the-storm “earthy fragrance” had been little more than theory. That changed in January when MIT researchers captured a specific raindrop phenomena on video. Scientists observed raindrops trapping tiny air...

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