Global Warming全球变暖
Global warming is the increase in the average temperature of the Earth's surface air and oceans.全球变暖指的是地球大气和海洋平均温度的上升。
Climate change is any major change in measures of climate,such as temperature, rainfall and wind.气候变化是衡量如温度、降雨量和风力等的重大改变。
Scientists have debated about global warming for years.科学家一直在全球变暖这个话题上争论不休。
Many have different opinions about the extent to which greenhouse gases are responsible for it.许多人认为工厂，发电厂或机动车辆大量排放的温室气体
