pollution

http://www.isws.illinois.edu/pubdoc/c/iswsc-135.pdf < Some water treatment plants cause serious pollution. I know some of them do their job in an eco-friendly way with lilly pads, etc, but my local water treatment plant definitely doesn't. I do my best not to support things like this so I've...

More: London breaches annual air pollution limits in just a WEEK (10. January 2016) The article also mentions Oxford Circus. As I've mentioned before, I often suffer from black snot after having visited London.