News tagged with polluters

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 (16) 5 | with audio podcast

Carbon tax for China?

Harvard analysts behind a new book on air quality in China see in its polluted clouds a possible silver lining, one that would address both pollution and rising emissions of climate-warming carbon dioxide: ...

Dec 18, 2013 4.3 / 5 (12) 1