News tagged with polluted water

Spinning CDs to clean sewage water

Audio CDs, all the rage in the '90s, seem increasingly obsolete in a world of MP3 files and iPods, leaving many music lovers with the question of what to do with their extensive compact disk collections. ...

Sep 23, 2013 4.6 / 5 (17) 5 | with audio podcast

Dangerous nitrogen pollution could be halved

The most important fertilizer for producing food is, at the same time, one of the most important risks for human health: nitrogen. Chemical compounds containing reactive nitrogen are major drivers of air ...

May 13, 2014 2.8 / 5 (8) 3