Skip to main content

The timeline can be navigated by dragging the pointer on the timeline bar, located at the bottom of the screen on desktop and on the left on mobile. To filter by a specific topic, make a selection on the dropdown “Filters” menu or click “Search” to do a keyword search. To learn more, click “Read More” below.

View Full Guide

A 9-month test of public water in the U.S. finds high levels of contamination.

2021

SANI
ENV
PH

A study conducted by The Guardian and Consumer Reports finds that a third of water tested is contaminated with "forever" chemicals that are toxic to human health. Eight percent of the water tested showed high levels of arsenic, and almost every sample included the presence of lead.