Recently, the most pimportant problem of environment is the change to warmth of the global climate, caused by green house effect, resulting the discharge of CO2 and other green house factor from humen being to the atmosphere.

• 目前最大的环境问题是由人类排放co2等温室气体引起的地球加热变暖,两极冰盖融化,海平面上升,沿海城市被淹,岛国沉入海下,洪涝、旱、漠化加剧。