Challenger Space Shuttle Disaster (1986)
Tiananmen Square Massacre (1989)
Chernobyl Nuclear Disaster (1986)
Great Depression Effects in Canada
Brumadinho Dam Collapse (2019)
Great Barrier Reef Bleaching
Uttarakhand Floods (2013)
Buenos Aires Floods (2013)
Karachaganak Oil Field Explosion
Industrial Accidents in Oil Fields