California Wildfires (multiple years)
Shanghai Fire Disaster (2010)
Lena Massacre (1912)
SARS Outbreak (2003)
Rio de Janeiro Floods (2010)
Tasmanian Drought Crisis
Bhopal Gas Tragedy (1984)
Buenos Aires Subway Fire (2004)
Semipalatinsk Nuclear Testing Impact
1988 October Riots and Crackdown