13 sub-categories under Environmental Disasters and Educational Resources:

Chemical Spills (0)
Earthquakes (5)
Environmental Effects of War (0)
Floods (3)
Hurricanes (0)
Landslides (1)
Monsoons (0)
Nuclear Disasters (0)
Oil Spills (2)
Tidal Waves (0)
Tornadoes (0)
Volcanoes (2)
Wildfires (1)