global warming
noun [ U ] uk/ˌɡləʊ.bəl ˈwɔː.mɪŋ/ us/ˌɡloʊ.bəl ˈwɔːr.mɪŋ/
B2 全球（气候）变暖
a gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space
- More examples
- The destruction of the rainforests is contributing to global warming.
- Do you think that these higher-than-average temperatures are attributable to global warming?
- Several hypotheses for global warming have been suggested.
- Scientists fear that global warming has gone beyond the point of no return.
- Yesterday's paper had a double-page feature on global warming.