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  3. [audioFiles]2017m5x/audio_ezfj_017_170517[/audioFiles] The Greenhouse Effect

[audioFiles]2017m5x/audio_ezfj_017_170517[/audioFiles] The Greenhouse Effect

游客2024-09-13  8
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答案     The Greenhouse Effect
    To get a better understanding of global warming, / it is important to understand the greenhouse effect. / The greenhouse effect is the rise in the temperatures / caused by absorption of the Sun’s heat and light by the Earth’s surface / which then is reflected back and trapped within the Earth’s atmosphere. / The greenhouses gases, help to keep the Earth warm, / and this is the reason why life on Earth has existed, and still thrives. / However, with an increase in the gases like carbon dioxide, ozone, / Earth has gotten nearly 14% hotter / than what it used to be so years ago. /
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