Compléter 58. Climate changeVersion en ligne Vocabulary in Use Pre-Int, Int par Antonina Petrova 1 Many greenhouse , e . g . carbon dioxide , methane and ozone , naturally and are needed to create the that keeps the Earth warm enough to human life . However , the use of fossil fuels , e . g . oil , natural gas and coal , has produced amounts of greenhouse gases , and the result is : an increase in the average temperature on Earth . Of the 15 warmest years on , 14 have occurred since 2000 . The effects of change can already be seen in our everyday lives . Summers are getting hotter and winters are getting wetter , so drought and are becoming more common . With it , animal and plant life is ? some species will disappear altogether ? and certain illnesses , e . g . hay fever , asthma and skin cancer , are becoming more common .
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