| volcanic eruption(expression, nature, environment, hazard, danger) |
| wildfire(noun, nature, environment, hazard, danger) |
| biological hazard(expression, nature, risk, hazard, danger) |
| geophysical hazard(expression, nature, risk, hazard, danger) |
| tornado(noun, nature, environment, hazard, danger) |
| avalanche(noun, nature, environment, hazard, danger) |
| blizzard(noun, nature, environment, hazard, danger) |
| climate change(expression, nature, environment, hazard, danger) |
| coastal erosion(expression, nature, environment, hazard, danger) |
| cyclonic storm(expression, nature, environment, hazard, danger) |
| disease(noun, nature, environment, hazard, danger) |
| drought(noun, nature, environment, hazard, danger) |
| earthquake(noun, nature, environment, hazard, danger) |
| flood(noun, nature, environment, hazard, danger) |
| geomagnetic storm(expression, nature, environment, hazard, danger) |
| hailstorm(noun, nature, environment, hazard, danger) |
| heat wave(expression, nature, environment, hazard, danger) |
| hurricane irma(expression, nature, environment, disaster, world) |
| ice storm(expression, nature, environment, hazard, danger) |
| lahar(noun, nature, environment, hazard, danger) |