View the above video and read the linked articles before taking the quiz below.
Bartram and Cairncross, 2010: https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1000367
Senator Paul Simon Water for the Poor Act of 2005: https://www.govinfo.gov/app/details/PLAW-109publ121/summary
Slides and notes from the video