灾难

It is potentially catastrophic for the environment.

Scientists have warned of a looming global disaster.

war catastrophe

social/political disaster

nationwide disaster

financial catastrophe

devastating/catastrophic disaster

the Great Tribulation (in the Bible)

catastrophic loss

catastrophic event

disastrous consequences; catastrophic consequences

survive a disaster/catastrophe

misfortune strikes; disaster befalls

have catastrophic effect/impact on

suffer a disaster/catastrophe

lead to/cause disaster/catastrophe

be faced with catastrophe; be heading for catastrophe; face catastrophe

endure disaster

experience disaster

bring suffering/disaster (to the people)

avert/avoid/head off/prevent disaster/catastrophe/calamity