The original version of this article, by Elizabeth Tyson and Kate Logan, appeared on the Wilson Center’s Commons Lab. Blackened rivers snake the ring roads of Beijing, carrying pollution and often smelly water from one end of the city to another. The most polluted of these have been dubbed “foul and filthy” rivers (黑臭河) by China’s … Continue reading Tracking China’s “Foul and Filthy” Rivers With Citizen Science