英文關鍵字
apocalypse
break
catastrophe
change
climate
climatic
confusion
consequence
conserve
crisis
damage
danger
demolition
destroyed
destruction
drain
drought
earth
earthquake
ecology
ecosystem
engender
environment
famine
fissure
future
humankind
parched
peril
planet
planisphere
problem
reheating
result
shatter
sterile
suffer
threat
urgency
world