燃やす
explosion
bomb
burst
catastrophe
climate
cold
concept
crisis
danger
destroy
disaster
earth
earthquake
ecology
energy
environment
explode
fear
fiery
fire
flames
freeze
global
global warming
globe
greenhouse
heat
hot
ice
illustration
melt
meltdown
nuclear
ozone
planet
pollution
problem
risk
save
snow
temperature
warming
water
world