Biggest man-made disasters in human history

The Aberfan Colliery Slip, Britain Cause of death: Avalanche caused due to excessive coal mining Death toll : 144 including 116 children

The Seveso Disaster, Meda, Italy Cause of death: Chemical reactor ruptures leading to a chain reaction, causing six tonnes of toxic chemicals to burst into the sky Death toll: No deaths though 3,000 farm animals died while 70,000 animals had to be killed due to stop the spread of toxin

Chernobyl Meltdown, Ukraine Cause of death: Radioactive materials burst into the air after steam built up in one of the chemical reactors Death Toll: 31 died with more than 100,00o evacuated since the incident 

Bhopal Disaster, India Cause of death: Methyle isocyanate leak at the Union Carbide India Limited (UCIL) pesticide plant Death toll: At least 3,787

Sidoarjo Mud Volcano, Indonesia Cause of death: Blowout of a natural gas well drilled Death toll: 11 with more than 30,000 evacuated 

Jilin Chemical Plant Explosion, China Cause of death: Series of explosions in No. 102 Petrochemical Plant in Jilin City, China. Death toll: 6 dead while 70 people injured and more than 10,000 people evacuated following release of harmful chemicals

Dust Bowl, United States Cause of death: Human ignorance pertaining to agriculture leading to drought, huge black blizzards sweepoing through the Great American Plains. Death toll: 7,000 

Deepwater Horizon Oil Spill, Gulf of Mexico Cause of death: Oil spill following an explosion at the oil rig Death toll: 11 crew members dead following explosion, 800,000 birds, 65,000 turtles unaccounted numbers of dolphins reported dead

The Great Smog of London, United Kingdom Cause of death: Sulfur likely mixed with fumed of burning coal, releasing a thick yellow poisonous smog Death toll: 12,000 humans dead