The in-depth story of the deadly 1889 Johnstown Flood caused by the Johnstown Dam Collapse. On Memorial Day of 1889, western ...

After a recent dam disaster, Nigerian officials blamed God, climate change and poor people. But experts had warned the dam was at risk well before it collapsed. The officials did nothing.

in damages over the same disaster. The collapse of the dam sent more than 40 million cubic metres of toxic sludge, including arsenic, lead and mercury, flowing out into the surrounding areas.