Waitaki Girls' High School

Notes

A reference guide to the hazards that endanger life on earth: earthquakes; volcanoes; tsunami; waves; storm surges; coastal erosion; ice hazards; flooding; winds; hurricanes; tornadoes; storms; rain and hail; lightning; snow and ice; avalanches; landslides; desertification; drought and famine; fires; diseases; water pollution; ozone depletion; acid rain; land contamination; habitat and species loss; global warming; el Nino; meteorites and comets; great extinctions.