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Meaning of “global warming” in the English Dictionary

"global warming" in British English

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global warmingnoun [U]

uk   /ˌɡləʊ.bəl ˈwɔː.mɪŋ/  us   /ˌɡloʊ.bəl ˈwɔːr.mɪŋ/
(Definition of global warming from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"global warming" in American English

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global warmingnoun [U]

 us   /ˈɡloʊ·bəl ˈwɔr·mɪŋ/
a ​gradualincrease in the earth’s ​temperature, caused by ​gases, esp. ​carbondioxide, ​surrounding the ​earth
(Definition of global warming from the Cambridge Academic Content Dictionary © Cambridge University Press)

"global warming" in Business English

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global warmingnoun [U]

uk   us   ENVIRONMENT
a gradual ​increase in ​world temperatures caused by ​gases in the ​air which prevent ​heat escaping into ​space and are a ​big threat to the future of the earth: Reversing the ​effects of ​global warming may be the greatest ​challenge of our ​time. Fossil ​fuels, such as coal and ​gas, ​produce greenhouse ​gases and contribute to ​global warming. to combat/fight/​tackleglobal warming
(Definition of global warming from the Cambridge Business English Dictionary © Cambridge University Press)
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