In 2015 and 2016, headlines throughout the United States were captured by a human-made water crisis in Flint, Michigan: a chain of events that resulted in the city's approximately 100,000 residents being exposed to dangerous levels of lead contamination in their tap water due to financial decisions made at the state level. In this 12-minute video from the popular SciShow series (featured in the 8-27-2014 Scout Report), host Hank Green provides a fast-paced yet approachable explanation of the complex chemistry that lay behind Flint's water crisis. The video begins with a short overview of the decisions that created the situation, then goes into a brief history of using lead pipes for water and the US regulations designed to safeguard the numerous places that still use lead pipes. However, the bulk of the video is devoted to the multi-layered chemical interactions that exacerbated the problems with Flint's water and the resulting negative public health effects. Released in November 2018, this video would be appropriate for classroom viewing and also informative for general audiences.
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