求翻译：全球气候变暖是一种“自然现象”。全球变暖指的是在一段时间中，地球大气和海洋温度上升的现象，主要是指人为因素造成的温度上升。目前世界范围内认为主要原因很可能是由于温室气体（二氧化碳）排放过多所造成的。 全球变暖的后果，会使全球降水量重新分配、冰川和冻土消融、海平面上升等，既危害自然生态系统的平衡，更威胁人类的食物供应和居住环境。是什么意思？

Global warming is a "natural phenomenon". Global warming refers to the phenomenon in a period of time, the increase in the Earth's atmosphere and ocean temperatures, mainly refers to the temperature rise caused by human factors. Currently believe that the main reason is likely due to the greenhouse

Global warming is a "natural phenomena". Global warming refers to a period of time in the Earth's atmosphere, and ocean temperature rise, and that the main is a man-made factors increase in temperature. Within the world that it is likely that the main reason greenhouse gas (carbon dioxide) emission

Global warming is one kind “the natural phenomenon”.The whole world changes refers is warmly in period of time, the earth's atmosphere and the sea temperature rise phenomenon, mainly refers to the temperature rise which the human factor creates.At present in the worldwide scale thought the primary c

Global warming is a "natural phenomenon". Global warming is over a period of time, and sea temperature rise in the Earth's atmosphere, mainly refers to human-caused by rising temperatures. Within the framework of the world believe that the main reason is probably due to greenhouse gas (carbon dioxid

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