The phrase "a cataclysmic effect on" is correct and usable in written English.
It can be used to describe a significant and often disastrous impact or influence that something has on a situation or entity.
Example: "The sudden economic collapse had a cataclysmic effect on the job market, leaving thousands unemployed."
Alternatives: "a devastating impact on" or "a catastrophic influence on".
With the exception of America's weirdly-expensive Amtrak system, cost and luxury scale with fossil fuel consumption; travel that costs more and feels more indulgent is also travel that has a cataclysmic effect on the environment.
George Robertson, the formerly UK defence secretary and Nato chief, has claimed Scottish independence would have a "cataclysmic" effect on European and global stability by undermining the UK on the world stage.
Racism has had a cataclysmic effect on his mind and his body; his response is to cut himself off from the hurting world, and, by the time we meet him, he's living alone in a basement in "a border area of Harlem".
Perhaps recalling what happened when protesters occupied the heart of Beijing in 1989, and how badly they underestimated the scale of a massive demonstration in Hong Kong in 2003, officials have foretold civil strife with a cataclysmic effect on Hong Kong's reputation.
Bodmin East councillor Mr Kennedy said the freeze "could have a cataclysmic effect on services".
"The convergence of the two, big demand and big supply," Thomas argues, has had a "cataclysmic" effect on the luxury business.
"The tenant base is now diverse enough that a downturn in one market will not have cataclysmic effects on the whole market".
Meanwhile, though, Dave has learned that he is the Prime Merlinian, which means that "The Sorcerer's Apprentice" is not just another dweeb/cutie romantic comedy, but also a phantasmagorical action picture in which bolts of lightning will shoot out of people's hands, and ancient spells will be uttered to cataclysmic effect right on the streets of Manhattan.
"It is impossible to put down this book unconvinced of the cataclysmic effect of celebrity on every area of American life".
With government coffers almost at nil and Athens facing a monumental €770m (£560m) loan instalment to the International Monetary Fund on Tuesday, it is the last act in a crisis with potentially cataclysmic effect.
